Sync SDL3 wiki -> header

[ci skip]

include/SDL3/SDL_gpu.h

@@ -128,8 +128,9 @@
  * explaining this situation.
  *
  * It is optimal for apps to pre-compile the shader formats they might use,
- * but for ease of use SDL provides a separate project, [SDL_gpu_shadercross](https://github.com/libsdl-org/SDL_gpu_shadercross),
- * for performing runtime shader cross-compilation.
+ * but for ease of use SDL provides a separate project,
+ * [SDL_gpu_shadercross](https://github.com/libsdl-org/SDL_gpu_shadercross)
+ * , for performing runtime shader cross-compilation.
  *
  * This is an extremely quick overview that leaves out several important
  * details. Already, though, one can see that GPU programming can be quite