fixed typo

danquack · danquack · commit 57b2b2f4fccb · 2018-10-24T18:48:15.000-04:00
diff --git a/REFERENCE.md b/REFERENCE.md
@@ -539,7 +539,7 @@ must be unique
 
 ##### `pkgname`
 
-Data type: `String[1]`
+Data type: `String`
 
 the name of the package.
 
