ARM: Copy-paste error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171790 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMTargetMachine.h b/lib/Target/ARM/ARMTargetMachine.h
index a8b21b2..be6bec7 100644
--- a/lib/Target/ARM/ARMTargetMachine.h
+++ b/lib/Target/ARM/ARMTargetMachine.h
@@ -50,7 +50,7 @@
     return &InstrItins;
   }
 
-  /// \brief Register X86 analysis passes with a pass manager.
+  /// \brief Register ARM analysis passes with a pass manager.
   virtual void addAnalysisPasses(PassManagerBase &PM);
 
   // Pass Pipeline Configuration