diff --git a/metadata.json b/metadata.json
index 8b16281..02f9198 100644
--- a/metadata.json
+++ b/metadata.json
@@ -17,10 +17,11 @@
     },
     "tags": [
         "symbols",
-        "MOS",
-        "CBM",
-        "WDC",
-        "Retro"
+        "mos",
+        "cbm",
+        "wdc",
+        "retro",
+        "commodore"
     ],
     "versions": [
         {