[llvm-cxxfilt] Fix a comment typo. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@354094 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/llvm-cxxfilt/llvm-cxxfilt.cpp b/tools/llvm-cxxfilt/llvm-cxxfilt.cpp
index 821c705..e085044 100644
--- a/tools/llvm-cxxfilt/llvm-cxxfilt.cpp
+++ b/tools/llvm-cxxfilt/llvm-cxxfilt.cpp
@@ -25,7 +25,7 @@
   EDG,   ///< EDG compiler
   GNUv3, ///< GNU C++ v3 ABI
   Java,  ///< Java (gcj)
-  GNAT   ///< ADA copiler (gnat)
+  GNAT   ///< ADA compiler (gnat)
 };
 static cl::opt<Style>
     Format("format", cl::desc("decoration style"),