rtapi_app no autostart: Better message

Author: hdiethelm

src/rtapi/uspace_rtapi_main.cc

@@ -1053,8 +1053,11 @@ int main(int argc, char **argv) {
             result = start_master(fd);
             exit(result);
         }else{
-            fprintf(stderr, "WARNING: Deprecated: No master found. Use realtime start to start one.\n"
-                "  A master is started automaticaly.\n");
+            fprintf(stderr, "WARNING: Deprecated: No master found. Use \"realtime start\" to start one.\n"
+                "  A master is started automatically.\n"
+                "  If this appears while using halcmd: Use halrun instead.\n"
+                "  halcmd should only be used with an allready running instance.\n"
+                "  halrun creates an instance and shuts it down at exit.\n");
             result = start_master(fd);
             if (result != 0) {
                 exit(result);