Fix grammar, wording, & phrasing.

Author: harrisonhjones

lambda/entry.go

@@ -9,18 +9,18 @@ import (
 	"os"
 )
 
-// Start takes a handler, and talks to and internal Lambda endpoint to pass Invoke requests to the handler.  If a
-// handler does not match one of the supported types, the lambda package will respond to new invokes served by in
-// internal endpoint with an appropriate error message.  Start blocks, and does not return after being called.
+// Start takes a handler and talks to an internal Lambda endpoint to pass requests to the handler. If the
+// handler does not match one of the supported types an appropriate error message will be returned to the caller.
+// Start blocks, and does not return after being called.
 //
 // Rules:
 //
 // 	* handler must be a function
 // 	* handler may take between 0 and two arguments.
-// 	* if there are two arguments, the first argument must implement "context.Context".
+// 	* if there are two arguments, the first argument must satisfy the "context.Context" interface.
 // 	* handler may return between 0 and two arguments.
-// 	* if there are two return values, the second argument must implement "error".
-// 	* if there is one return value it must implement "error".
+// 	* if there are two return values, the second argument must be an error.
+// 	* if there is one return value it must be an error.
 //
 // Valid function signatures:
 //