fix trivial typos in comments; NFC

llvm-svn: 307075
diff --git a/llvm/utils/TableGen/X86RecognizableInstr.h b/llvm/utils/TableGen/X86RecognizableInstr.h
index 7fe731e..ea99935 100644
--- a/llvm/utils/TableGen/X86RecognizableInstr.h
+++ b/llvm/utils/TableGen/X86RecognizableInstr.h
@@ -10,7 +10,7 @@
 // This file is part of the X86 Disassembler Emitter.
 // It contains the interface of a single recognizable instruction.
 // Documentation for the disassembler emitter in general can be found in
-//  X86DisasemblerEmitter.h.
+//  X86DisassemblerEmitter.h.
 //
 //===----------------------------------------------------------------------===//