Don't use "round", so that it's doesn't show up while searching for the function

src/joystick/hidapi/SDL_hidapi_steam.c

@@ -190,7 +190,7 @@ typedef struct
 
 
 // Wireless firmware quirk: the firmware intentionally signals "failure" when performing
-// SET_FEATURE / GET_FEATURE when it actually means "pending radio round-trip". The only
+// SET_FEATURE / GET_FEATURE when it actually means "pending radio roundtrip". The only
 // way to make SET_FEATURE / GET_FEATURE work is to loop several times with a sleep. If
 // it takes more than 50ms to get the response for SET_FEATURE / GET_FEATURE, we assume
 // that the controller has failed.

src/video/wayland/SDL_waylandevents.c

@@ -220,7 +220,7 @@ Wayland_SendWakeupEvent(_THIS, SDL_Window *window)
 {
     SDL_VideoData *d = _this->driverdata;
 
-    /* TODO: Maybe use a pipe to avoid the compositor round trip? */
+    /* TODO: Maybe use a pipe to avoid the compositor roundtrip? */
     wl_display_sync(d->display);
     WAYLAND_wl_display_flush(d->display);
 }