Tweak warning message

Author: Jakub Chlanda

clang/include/clang/Basic/DiagnosticDriverKinds.td

@@ -421,10 +421,9 @@ def warn_drv_fsycl_add_default_spec_consts_image_flag_in_non_AOT : Warning<
   "-fsycl-add-default-spec-consts-image flag has an effect only in Ahead of Time Compilation mode (AOT)">,
   InGroup<SyclTarget>;
 def warn_drv_fsycl_device_obj_asm_device_only : Warning<
-  "-fsycl-device-obj=asm flag has an effect only when compailing device code "
+  "-fsycl-device-obj=asm flag has an effect only when compiling device code "
   "and emitting assembly, make sure both -fsycl-device-only and -S flags are "
-  "present. The option will be ignored">,
-  InGroup<SyclTarget>;
+  "present; will be ignored">, InGroup<SyclTarget>;
 def warn_drv_ftarget_register_alloc_mode_pvc : Warning<
   "using '%0' to set GRF mode on PVC hardware is deprecated; use '-ftarget-register-alloc-mode=pvc:%1'">,
   InGroup<Deprecated>;