fix trivial typos in comments; NFC

llvm-svn: 307075
diff --git a/llvm/utils/TableGen/X86DisassemblerTables.cpp b/llvm/utils/TableGen/X86DisassemblerTables.cpp
index c9e36f9..c80b969 100644
--- a/llvm/utils/TableGen/X86DisassemblerTables.cpp
+++ b/llvm/utils/TableGen/X86DisassemblerTables.cpp
@@ -10,7 +10,7 @@
 // This file is part of the X86 Disassembler Emitter.
 // It contains the implementation of the disassembler tables.
 // Documentation for the disassembler emitter in general can be found in
-//  X86DisasemblerEmitter.h.
+//  X86DisassemblerEmitter.h.
 //
 //===----------------------------------------------------------------------===//