diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td
index 5becd52dae80..02875f68ebfe 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -2374,7 +2374,7 @@ def mno_fix_cortex_a53_835769 : Flag<["-"], "mno-fix-cortex-a53-835769">,
   HelpText<"Don't workaround Cortex-A53 erratum 835769 (AArch64 only)">;
 foreach i = {1-31} in
   def ffixed_x#i : Flag<["-"], "ffixed-x"#i>, Group<m_Group>,
-    HelpText<"Reserve the "#i#" register (AArch64/RISC-V only)">;
+    HelpText<"Reserve the x"#i#" register (AArch64/RISC-V only)">;
 
 foreach i = {8-15,18} in
   def fcall_saved_x#i : Flag<["-"], "fcall-saved-x"#i>, Group<m_aarch64_Features_Group>,