Update compiler/rustc_builtin_macros/src/asm.rs

Co-authored-by: Travis Cross <[email protected]>

Author: folkertdev

compiler/rustc_builtin_macros/src/asm.rs

@@ -196,7 +196,7 @@ pub fn parse_raw_asm_args<'a>(
             continue;
         }
 
-        // Parse options
+        // Parse `options`.
         if p.eat_keyword(exp!(Options)) {
             allow_templates = false;