Improving documentation for the isMoveAssignmentOperator AST matcher.

Patch by Jonathan Coe.

llvm-svn: 258628
diff --git a/clang/docs/LibASTMatchersReference.html b/clang/docs/LibASTMatchersReference.html
index 2bb6915..75deea4 100644
--- a/clang/docs/LibASTMatchersReference.html
+++ b/clang/docs/LibASTMatchersReference.html
@@ -1820,11 +1820,13 @@
 operator.
 
 Given
-  struct S {
-    S(const S &); #1
-    S& operator=(S &&); #2
-  };
-cxxMethodDecl(isMoveAssignmentOperator()) will match #2, but not #1.
+struct A {
+  A &operator=(const A &);
+  A &operator=(A &&);
+};
+
+cxxMethodDecl(isMoveAssignmentOperator()) matches the second method but not
+the first one.
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