diff --git a/gulpfile.js b/gulpfile.js
index 02c5f136c8..9ca1aeb941 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/auth/auth-api-request.ts b/src/auth/auth-api-request.ts
index 740d173356..0380debeb8 100644
--- a/src/auth/auth-api-request.ts
+++ b/src/auth/auth-api-request.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/auth/auth.ts b/src/auth/auth.ts
index 03d1c4e666..09c08c6d8e 100644
--- a/src/auth/auth.ts
+++ b/src/auth/auth.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/auth/token-generator.ts b/src/auth/token-generator.ts
index 994d1bf25f..a8a76c7b28 100644
--- a/src/auth/token-generator.ts
+++ b/src/auth/token-generator.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/auth/user-record.ts b/src/auth/user-record.ts
index 96ca179dd4..01092a25da 100644
--- a/src/auth/user-record.ts
+++ b/src/auth/user-record.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/credential/credential.ts b/src/credential/credential.ts
index fbac0ed36d..a2b4413b73 100644
--- a/src/credential/credential.ts
+++ b/src/credential/credential.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/default-namespace.ts b/src/default-namespace.ts
index a90d81089b..d15f3cae02 100644
--- a/src/default-namespace.ts
+++ b/src/default-namespace.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/firebase-app.ts b/src/firebase-app.ts
index f18edf51ef..401c21046b 100644
--- a/src/firebase-app.ts
+++ b/src/firebase-app.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/firebase-namespace.ts b/src/firebase-namespace.ts
index 4309913921..28fbbaf290 100644
--- a/src/firebase-namespace.ts
+++ b/src/firebase-namespace.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/firebase-service.ts b/src/firebase-service.ts
index f6e4c97393..321d91efb8 100644
--- a/src/firebase-service.ts
+++ b/src/firebase-service.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/firestore/firestore-internal.ts b/src/firestore/firestore-internal.ts
index 25ce0f903a..5c2210fdc0 100644
--- a/src/firestore/firestore-internal.ts
+++ b/src/firestore/firestore-internal.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/index.d.ts b/src/index.d.ts
index a748eb21f5..1807b1e079 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/index.ts b/src/index.ts
index 9374b5fd8c..eb121bc023 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/instance-id/instance-id-request-internal.ts b/src/instance-id/instance-id-request-internal.ts
index bab069faf1..e0d404d602 100644
--- a/src/instance-id/instance-id-request-internal.ts
+++ b/src/instance-id/instance-id-request-internal.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/messaging/messaging-api-request-internal.ts b/src/messaging/messaging-api-request-internal.ts
index a294f4daa5..d74f621e0d 100644
--- a/src/messaging/messaging-api-request-internal.ts
+++ b/src/messaging/messaging-api-request-internal.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/messaging/messaging.ts b/src/messaging/messaging.ts
index 8c3d7c1ca3..0501693504 100644
--- a/src/messaging/messaging.ts
+++ b/src/messaging/messaging.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/storage/storage.ts b/src/storage/storage.ts
index 1ac61f6237..c8c314f920 100644
--- a/src/storage/storage.ts
+++ b/src/storage/storage.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/utils/api-request.ts b/src/utils/api-request.ts
index d079b44557..a41a2f9b48 100644
--- a/src/utils/api-request.ts
+++ b/src/utils/api-request.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/utils/deep-copy.ts b/src/utils/deep-copy.ts
index 72a791d30a..8e5bee9d8b 100644
--- a/src/utils/deep-copy.ts
+++ b/src/utils/deep-copy.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/utils/error.ts b/src/utils/error.ts
index c1762db1af..232bed0981 100644
--- a/src/utils/error.ts
+++ b/src/utils/error.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/utils/index.ts b/src/utils/index.ts
index da0b73d704..b8cfa2faf0 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/src/utils/validator.ts b/src/utils/validator.ts
index c2ce758267..bca0c660ab 100644
--- a/src/utils/validator.ts
+++ b/src/utils/validator.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/integration/typescript/src/example.test.ts b/test/integration/typescript/src/example.test.ts
index 52f865ee58..5aa63c083d 100644
--- a/test/integration/typescript/src/example.test.ts
+++ b/test/integration/typescript/src/example.test.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/integration/typescript/src/example.ts b/test/integration/typescript/src/example.ts
index 0b254517d1..b44dbcc163 100644
--- a/test/integration/typescript/src/example.ts
+++ b/test/integration/typescript/src/example.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/resources/mocks.ts b/test/resources/mocks.ts
index 34e1e5bb45..b90a0c83f8 100644
--- a/test/resources/mocks.ts
+++ b/test/resources/mocks.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/auth/auth-api-request.spec.ts b/test/unit/auth/auth-api-request.spec.ts
index 13d5fcfc33..ff154d3b2c 100644
--- a/test/unit/auth/auth-api-request.spec.ts
+++ b/test/unit/auth/auth-api-request.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -934,7 +935,7 @@ AUTH_REQUEST_HANDLER_TESTS.forEach((handler) => {
               data,
               headers: expectedHeaders,
               timeout,
-            });          
+            });
           });
       });
 
@@ -954,7 +955,7 @@ AUTH_REQUEST_HANDLER_TESTS.forEach((handler) => {
               data,
               headers: expectedHeadersEmulator,
               timeout,
-            });          
+            });
           });
       });
     });
diff --git a/test/unit/auth/auth.spec.ts b/test/unit/auth/auth.spec.ts
index 27d797abba..5219f55e5d 100644
--- a/test/unit/auth/auth.spec.ts
+++ b/test/unit/auth/auth.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/auth/token-generator.spec.ts b/test/unit/auth/token-generator.spec.ts
index 3b196be9f7..c519c7a3ed 100644
--- a/test/unit/auth/token-generator.spec.ts
+++ b/test/unit/auth/token-generator.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -311,7 +312,7 @@ describe('FirebaseTokenGenerator', () => {
   describe('Emulator', () => {
     const signer = new EmulatedSigner();
     const tokenGenerator = new FirebaseTokenGenerator(signer);
-    
+
     it('should generate a valid unsigned token', async () => {
       const uid = 'uid123';
       const claims = { foo: 'bar' };
diff --git a/test/unit/auth/user-record.spec.ts b/test/unit/auth/user-record.spec.ts
index 7fe6e058af..0a42de92cb 100644
--- a/test/unit/auth/user-record.spec.ts
+++ b/test/unit/auth/user-record.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/credential/credential.spec.ts b/test/unit/credential/credential.spec.ts
index c51894cc84..d34b569bda 100644
--- a/test/unit/credential/credential.spec.ts
+++ b/test/unit/credential/credential.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/database/database.spec.ts b/test/unit/database/database.spec.ts
index c5bdd0a4fc..632f35bda9 100644
--- a/test/unit/database/database.spec.ts
+++ b/test/unit/database/database.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/firebase-app.spec.ts b/test/unit/firebase-app.spec.ts
index b0cc477429..c3b4c04e3e 100644
--- a/test/unit/firebase-app.spec.ts
+++ b/test/unit/firebase-app.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/firebase-namespace.spec.ts b/test/unit/firebase-namespace.spec.ts
index d993d2871c..d1dbbe7347 100644
--- a/test/unit/firebase-namespace.spec.ts
+++ b/test/unit/firebase-namespace.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/firebase.spec.ts b/test/unit/firebase.spec.ts
index 71eb5d7297..3048121529 100644
--- a/test/unit/firebase.spec.ts
+++ b/test/unit/firebase.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/firestore/firestore.spec.ts b/test/unit/firestore/firestore.spec.ts
index 0b80a846a7..197e8dfde6 100644
--- a/test/unit/firestore/firestore.spec.ts
+++ b/test/unit/firestore/firestore.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/index.spec.ts b/test/unit/index.spec.ts
index fe22da0aca..efbe059e96 100644
--- a/test/unit/index.spec.ts
+++ b/test/unit/index.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/instance-id/instance-id-request.spec.ts b/test/unit/instance-id/instance-id-request.spec.ts
index f8abeb6bc8..dd28f0f8ef 100644
--- a/test/unit/instance-id/instance-id-request.spec.ts
+++ b/test/unit/instance-id/instance-id-request.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/instance-id/instance-id.spec.ts b/test/unit/instance-id/instance-id.spec.ts
index 28e37cb906..b68f8b3ac1 100644
--- a/test/unit/instance-id/instance-id.spec.ts
+++ b/test/unit/instance-id/instance-id.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/messaging/messaging.spec.ts b/test/unit/messaging/messaging.spec.ts
index d1c0d96831..597cadf1ee 100644
--- a/test/unit/messaging/messaging.spec.ts
+++ b/test/unit/messaging/messaging.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/storage/storage.spec.ts b/test/unit/storage/storage.spec.ts
index 0dba8db5a0..997d44846e 100644
--- a/test/unit/storage/storage.spec.ts
+++ b/test/unit/storage/storage.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/utils.ts b/test/unit/utils.ts
index aafb573b8b..6eb845831a 100644
--- a/test/unit/utils.ts
+++ b/test/unit/utils.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/utils/api-request.spec.ts b/test/unit/utils/api-request.spec.ts
index 32bbf80d87..f997cfc9dd 100644
--- a/test/unit/utils/api-request.spec.ts
+++ b/test/unit/utils/api-request.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/utils/error.spec.ts b/test/unit/utils/error.spec.ts
index 3b9e59269d..c2321005ee 100644
--- a/test/unit/utils/error.spec.ts
+++ b/test/unit/utils/error.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/utils/index.spec.ts b/test/unit/utils/index.spec.ts
index 850f9c09e1..e63993fb83 100644
--- a/test/unit/utils/index.spec.ts
+++ b/test/unit/utils/index.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/test/unit/utils/validator.spec.ts b/test/unit/utils/validator.spec.ts
index bcf2a67d3a..15d550c27d 100644
--- a/test/unit/utils/validator.spec.ts
+++ b/test/unit/utils/validator.spec.ts
@@ -1,4 +1,5 @@
 /*!
+ * @license
  * Copyright 2017 Google Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");