diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp
index ded019e64ae8..411cc0e30597 100644
--- a/clang/lib/CodeGen/CGBlocks.cpp
+++ b/clang/lib/CodeGen/CGBlocks.cpp
@@ -68,7 +68,7 @@ static llvm::Constant *buildDisposeHelper(CodeGenModule &CGM,
 ///   unsigned long size;  // size of Block_literal metadata in bytes.
 ///   void *copy_func_helper_decl;  // optional copy helper.
 ///   void *destroy_func_decl; // optioanl destructor helper.
-///   void *block_method_encoding_address;//@encode for block literal signature.
+///   void *block_method_encoding_address;// \@encode for block literal signature.
 ///   void *block_layout_info; // encoding of captured block variables.
 /// };
 static llvm::Constant *buildBlockDescriptor(CodeGenModule &CGM,