[NFC] typo

llvm-svn: 353875
diff --git a/clang/include/clang/AST/Decl.h b/clang/include/clang/AST/Decl.h
index 9331666..526e210 100644
--- a/clang/include/clang/AST/Decl.h
+++ b/clang/include/clang/AST/Decl.h
@@ -3851,7 +3851,7 @@
   static bool classofKind(Kind K) { return K == FileScopeAsm; }
 };
 
-/// Pepresents a block literal declaration, which is like an
+/// Represents a block literal declaration, which is like an
 /// unnamed FunctionDecl.  For example:
 /// ^{ statement-body }   or   ^(int arg1, float arg2){ statement-body }
 class BlockDecl : public Decl, public DeclContext {