Fixed spacing

Author: slouken

include/SDL3/SDL_gpu.h

@@ -2294,7 +2294,7 @@ extern SDL_DECLSPEC SDL_GPUDevice * SDLCALL SDL_CreateGPUDevice(
  * - `SDL_PROP_GPU_DEVICE_CREATE_SHADERS_METALLIB_BOOLEAN`: The app is able to
  *   provide Metal shader libraries if applicable.
  *
- * With the D3D12 renderer:
+ * With the D3D12 backend:
  *
  * - `SDL_PROP_GPU_DEVICE_CREATE_D3D12_SEMANTIC_NAME_STRING`: the prefix to
  *   use for all vertex semantics, default is "TEXCOORD".
@@ -2307,8 +2307,9 @@ extern SDL_DECLSPEC SDL_GPUDevice * SDLCALL SDL_CreateGPUDevice(
  *   either supports Tier 2 Resource Binding or does not support D3D12 in any
  *   capacity. Defaults to false.
  *
- * With the Vulkan renderer: -
- * `SDL_PROP_GPU_DEVICE_CREATE_VULKAN_REQUIRE_HARDWARE_ACCELERATION`: By
+ * With the Vulkan backend:
+ *
+ * - `SDL_PROP_GPU_DEVICE_CREATE_VULKAN_REQUIRE_HARDWARE_ACCELERATION`: By
  * default, Vulkan device enumeration includes drivers of all types, including
  * software renderers (for example, the Lavapipe Mesa driver). This can be
  * useful if your application _requires_ SDL_GPU, but if you can provide your