Fix typo in a couple comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147045 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/Disassembler/X86Disassembler.h b/lib/Target/X86/Disassembler/X86Disassembler.h
index d99236b..fb24e7e 100644
--- a/lib/Target/X86/Disassembler/X86Disassembler.h
+++ b/lib/Target/X86/Disassembler/X86Disassembler.h
@@ -133,9 +133,9 @@
   X86_16Disassembler(const MCSubtargetInfo &STI) :
     X86GenericDisassembler(STI, MODE_16BIT) {
   }
-};  
+};
 
-/// X86_16Disassembler - 32-bit X86 disassembler.
+/// X86_32Disassembler - 32-bit X86 disassembler.
 class X86_32Disassembler : public X86GenericDisassembler {
   virtual void anchor();
 public:
@@ -144,7 +144,7 @@
   }
 };
 
-/// X86_16Disassembler - 64-bit X86 disassembler.
+/// X86_64Disassembler - 64-bit X86 disassembler.
 class X86_64Disassembler : public X86GenericDisassembler {
   virtual void anchor();
 public: