--- a/langtools/src/java.compiler/share/classes/module-info.java	Tue Aug 16 10:57:13 2016 -0700
+++ b/langtools/src/java.compiler/share/classes/module-info.java	Wed Aug 17 10:34:48 2016 +0530
@@ -23,6 +23,13 @@
  * questions.
  */
 
+ /**
+  * Defines the Language Model, Annotation Processing, and Java Compiler APIs.
+  * <P>
+  * These APIs model declarations and types of the Java programming language,
+  * and define interfaces for tools such as compilers which can be invoked
+  * from a program.
+  */
 module java.compiler {
     exports javax.annotation.processing;
     exports javax.lang.model;