diff --git a/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp b/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
index b171aff..73deed9 100644
--- a/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
+++ b/llvm/lib/ExecutionEngine/Interpreter/ExternalFunctions.cpp
@@ -354,7 +354,7 @@
   void *Args[] = { Arg0, Arg1, Arg2, Arg3, Arg4, Arg5, Arg6, Arg7, Arg8, 0 };
 
   // Loop over the format string, munging read values as appropriate (performs
-  // byteswaps as neccesary).
+  // byteswaps as necessary).
   unsigned ArgNo = 0;
   while (*Fmt) {
     if (*Fmt++ == '%') {