diff --git a/.forgejo/workflows/backfill.yml b/.forgejo/workflows/backfill.yml
index 085c27b..1849c3b 100644
--- a/.forgejo/workflows/backfill.yml
+++ b/.forgejo/workflows/backfill.yml
@@ -3,12 +3,17 @@ on:
   workflow_dispatch:
     inputs:
       game:
-        description: "Game key (cs2 or dota2)"
+        description: "Game key"
         required: true
         default: cs2
+        type: choice
+        options:
+          - cs2
+          - dota2
       names:
         description: 'Names JSON — array of {name, class, slot}'
         required: true
+        type: string
 
 jobs:
   backfill:
diff --git a/.forgejo/workflows/derive.yml b/.forgejo/workflows/derive.yml
index 491a3bb..991da7d 100644
--- a/.forgejo/workflows/derive.yml
+++ b/.forgejo/workflows/derive.yml
@@ -3,9 +3,13 @@ on:
   workflow_dispatch:
     inputs:
       game:
-        description: "Game key (cs2 or dota2)"
+        description: "Game key"
         required: true
         default: cs2
+        type: choice
+        options:
+          - cs2
+          - dota2
 
 concurrency:
   group: derive-${{ github.event.inputs.game }}