diff --git a/renovate.json b/renovate.json
index b4ac99e..fabf6b7 100644
--- a/renovate.json
+++ b/renovate.json
@@ -4,28 +4,33 @@
   "customManagers": [
     {
       "customType": "regex",
-      "description": "Image tags in versions.env",
+      "description": "Image tags in versions.env. The variable name is the display name, so PRs say which app they are for; the image is what gets looked up.",
       "managerFilePatterns": ["/^versions\\.env$/"],
       "matchStrings": [
-        "(?:^|\\n)[A-Z0-9_]+_IMAGE=(?<depName>[^:\\s]+):(?<currentValue>[^\\s@]+)"
+        "(?:^|\\n)(?<depName>[A-Z0-9_]+_IMAGE)=(?<packageName>[^:\\s]+):(?<currentValue>[^\\s@]+)"
       ],
       "datasourceTemplate": "docker"
     }
   ],
   "packageRules": [
+    {
+      "description": "Name both the variable and the image in versions.env PR titles",
+      "matchManagers": ["custom.regex"],
+      "commitMessageTopic": "{{{depName}}} ({{{packageName}}})"
+    },
     {
       "description": "Database majors need a dump/restore, so never propose them",
-      "matchDepNames": ["postgres", "prodrigestivill/postgres-backup-local"],
+      "matchPackageNames": ["postgres", "prodrigestivill/postgres-backup-local"],
       "matchUpdateTypes": ["major"],
       "enabled": false
     },
     {
       "description": "Stay on the 10.6 LTS line; 10.11 is effectively a major upgrade",
-      "matchDepNames": ["mariadb"],
+      "matchPackageNames": ["mariadb"],
       "allowedVersions": "/^10\\.6\\./"
     },
     {
-      "matchDepNames": ["amir20/dozzle"],
+      "matchPackageNames": ["amir20/dozzle"],
       "prBodyNotes": [
         "Also bump the Dozzle agents on the TrueNAS hosts to the same tag. The hub and agents share the TLS pair baked into the image."
       ]