diff --git a/include/llvm/ADT/STLExtras.h b/include/llvm/ADT/STLExtras.h
index 9f487615607..acfeae54731 100644
--- a/include/llvm/ADT/STLExtras.h
+++ b/include/llvm/ADT/STLExtras.h
@@ -10,7 +10,7 @@
 // This file contains some templates that are useful if you are working with the
 // STL at all.
 //
-// No library is required when using these functinons.
+// No library is required when using these functions.
 //
 //===----------------------------------------------------------------------===//