update tooltip

Author: hipsterusername

invokeai/frontend/web/public/locales/en.json

@@ -1998,8 +1998,8 @@
         "disableTransparencyEffect": "Disable Transparency Effect",
         "hidingType": "Hiding {{type}}",
         "showingType": "Showing {{type}}",
-        "showNonRasterLayers": "Show Non-Raster Layers",
-        "hideNonRasterLayers": "Hide Non-Raster Layers",
+        "showNonRasterLayers": "Show Non-Raster Layers (Shift+H)",
+        "hideNonRasterLayers": "Hide Non-Raster Layers (Shift+H)",
         "dynamicGrid": "Dynamic Grid",
         "logDebugInfo": "Log Debug Info",
         "locked": "Locked",