diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 9280635..8d6357b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,6 @@ jobs:
 
       - name: Build rule configuration
         run: |
-          gem install liquid-cli
           cat _data/rules.yml | yq -I 0 -o json > _data/rules.json
 
           for service in $(cat _data/rules.json | jq -r '.groups[].services[] | @base64'); do
diff --git a/CLAUDE.md b/CLAUDE.md
index bb52aa5..befe46b 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -21,6 +21,8 @@ The project is community-driven. Most contributions are PRs adding or updating r
 
 ## Rules YAML Structure
 
+Services are listed in README.md.
+
 `_data/rules.yml` hierarchy:
 ```
 groups:
@@ -43,6 +45,8 @@ groups:
                   "<comment>"
 ```
 
+Services are grouped in category. If you are not sure about the classification, ask the developer.
+
 ## Running Locally
 
 ```bash