[X86] Fix typo in comment. NFC

llvm-svn: 314247
diff --git a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
index d905311..880cfcc 100644
--- a/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
+++ b/llvm/lib/Target/X86/AsmParser/X86AsmParser.cpp
@@ -2285,7 +2285,7 @@
 
   // Determine whether this is an instruction prefix.
   // FIXME:
-  // Enhace prefixes integrity robustness. for example, following forms
+  // Enhance prefixes integrity robustness. for example, following forms
   // are currently tolerated:
   // repz repnz <insn>    ; GAS errors for the use of two similar prefixes
   // lock addq %rax, %rbx ; Destination operand must be of memory type