Grammar.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175410 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 0ed010e..28cba14 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2561,7 +2561,7 @@
                    options::OPT_fno_sanitize_undefined_trap_on_error, false))
     CmdArgs.push_back("-fsanitize-undefined-trap-on-error");
 
-  // Report and error for -faltivec on anything other then PowerPC.
+  // Report and error for -faltivec on anything other than PowerPC.
   if (const Arg *A = Args.getLastArg(options::OPT_faltivec))
     if (!(getToolChain().getTriple().getArch() == llvm::Triple::ppc ||
           getToolChain().getTriple().getArch() == llvm::Triple::ppc64))