message: Fix typo: Dsiplay->Display
diff: @@ -675,7 +675,7 @@ public:
  if (overlay->checkBox("Radial blur", &blur)) {
  buildCommandBuffers();
  }
  - if (overlay->checkBox("Dsiplay render target", &displayTexture)) {
  + if (overlay->checkBox("Display render target", &displayTexture)) {
  buildCommandBuffers();
  }
  }
  