Merge pull request #4568 from hectim/master

fixed typo

src/google/protobuf/util/package_info.h

@@ -38,7 +38,7 @@ namespace protobuf {
 
 // Utility classes.
 //
-// This package contains various utilities for message comprasion, JSON
+// This package contains various utilities for message comparison, JSON
 // conversion, well known types, etc.
 namespace util {}