fix trivial typos in comments; NFC

llvm-svn: 307007
diff --git a/clang/lib/CodeGen/CGCall.cpp b/clang/lib/CodeGen/CGCall.cpp
index 13a156c..cee656a 100644
--- a/clang/lib/CodeGen/CGCall.cpp
+++ b/clang/lib/CodeGen/CGCall.cpp
@@ -129,7 +129,7 @@
   paramInfos.resize(totalArgs);
 }
 
-/// Adds the formal paramaters in FPT to the given prefix. If any parameter in
+/// Adds the formal parameters in FPT to the given prefix. If any parameter in
 /// FPT has pass_object_size attrs, then we'll add parameters for those, too.
 static void appendParameterTypes(const CodeGenTypes &CGT,
                                  SmallVectorImpl<CanQualType> &prefix,