Fixed typo in comment.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42928 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index 85bab0b..9d47375 100644
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -88,7 +88,7 @@
 
 /// LookupInterfaceDecl - Lookup interface declaration in the scope chain.
 /// Return the first declaration found (which may or may not be a class
-/// declaration. Caller is respopnsible for handling the none-class case.
+/// declaration. Caller is responsible for handling the none-class case.
 /// Bypassing the alias of a class by returning the aliased class.
 ScopedDecl *Sema::LookupInterfaceDecl(IdentifierInfo *ClassName) {
   ScopedDecl *IDecl;