better comment / help message

Created using spr 1.3.5-bogner

Author: MaskRay

llvm/docs/CommandGuide/llvm-mc.rst

@@ -94,8 +94,7 @@ End-user Options
 
 .. option:: --hex
 
- Take hex bytes as input for the disassembler.
- Whitespace is ignored.
+ Take raw hexadecimal bytes as input for disassembly. Whitespace is ignored.
 
 .. option:: --large-code-model
 

llvm/tools/llvm-mc/llvm-mc.cpp

@@ -95,7 +95,9 @@ static cl::opt<bool>
                 cl::cat(MCCategory));
 
 static cl::opt<bool>
-    HexBytes("hex", cl::desc("Take hex bytes as input for the disassembler"),
+    HexBytes("hex",
+             cl::desc("Take raw hexadecimal bytes as input for disassembly. "
+                      "Whitespace is ignored"),
              cl::cat(MCCategory));
 
 static cl::list<std::string>