diff --git a/clang/include/clang/AST/ASTImportError.h b/clang/include/clang/AST/ASTImportError.h
--- a/clang/include/clang/AST/ASTImportError.h
+++ b/clang/include/clang/AST/ASTImportError.h
@@ -1,4 +1,4 @@
-//===- ASTImportError.h -  Define errors while importing AST  -------*- C++
+//===- ASTImportError.h - Define errors while importing AST  -------*- C++
 //-*-===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.