diff --git a/.gitignore b/.gitignore
index e8d9546..0897c5e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,4 +18,7 @@ Thumbs.db
 
 # Vite
 vite.config.js.timestamp-*
-vite.config.ts.timestamp-*
\ No newline at end of file
+vite.config.ts.timestamp-*
+
+# IDE
+.idea
diff --git a/static/manifest.json b/static/manifest.json
index a5c0045..5a44463 100644
--- a/static/manifest.json
+++ b/static/manifest.json
@@ -10,12 +10,12 @@
 		{
 			"src": "lettermark.jpg",
 			"sizes": "192x192",
-			"type": "image/png"
+			"type": "image/jpeg"
 		},
 		{
 			"src": "lettermark.jpg",
 			"sizes": "512x512",
-			"type": "image/png"
+			"type": "image/jpeg"
 		}
 	]
 }