diff --git a/clang/include/clang/Basic/DiagnosticDriverKinds.def b/clang/include/clang/Basic/DiagnosticDriverKinds.def
index d825f3c88a5000b23fddfb296e12fa89be056062..d9297678865673df6ed4f64e2be3d10b784774e2 100644
--- a/clang/include/clang/Basic/DiagnosticDriverKinds.def
+++ b/clang/include/clang/Basic/DiagnosticDriverKinds.def
@@ -32,4 +32,4 @@ DIAG(err_drv_use_of_Z_option, ERROR,
 DIAG(warn_drv_input_file_unused, WARNING,
      "%0: '%1' input file unused when '%2' is present")
 DIAG(warn_drv_unused_argument, WARNING,
-     "argument unused during compilatin: '%0'")
+     "argument unused during compilation: '%0'")