Made the comment clearer. No review needed

Patch by: amitmanjhi



git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@4070 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/tools/api-checker/config/gwt15_16userApi.conf b/tools/api-checker/config/gwt15_16userApi.conf
index 3ccdb27..bf4dc98 100644
--- a/tools/api-checker/config/gwt15_16userApi.conf
+++ b/tools/api-checker/config/gwt15_16userApi.conf
@@ -21,9 +21,11 @@
 ##############################################
 #Api  whitelist
 # when adding to the white-list, include comments as to why the addition is
-# being made. This needs to be done for this initial white-list below
+# being made. 
 
-# the api-checker is currently regarding overloadeded methods that can be
-# overriden. TODO(amitmanjhi): Solving this issue correctly in all cases seems
+# the api-checker is currently checking overloadeded methods that can be
+# overriden, and there are multiple overloaded versions of
+# StringBuilder::append(..) 
+# TODO(amitmanjhi): Solving this issue correctly in all cases seems
 # to be hard. Come back and fix this issue, if more such cases come up. 
 java.lang.StringBuilder::append(Ljava/lang/StringBuffer;) OVERRIDABLE_METHOD_ARGUMENT_TYPE_CHANGE