[NFC] typo

llvm-svn: 359523
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 364d3b8..ef0244a 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -2580,7 +2580,7 @@
   return {nullptr, false};
 }
 
-/// Set the copy inialization expression of a block var decl.
+/// Set the copy initialization expression of a block var decl.
 void ASTContext::setBlockVarCopyInit(const VarDecl*VD, Expr *CopyExpr,
                                      bool CanThrow) {
   assert(VD && CopyExpr && "Passed null params");