diff --git a/docs/docs/tools/custom_labels.md b/docs/docs/tools/custom_labels.md
index f22000ce..b9a9f6e7 100644
--- a/docs/docs/tools/custom_labels.md
+++ b/docs/docs/tools/custom_labels.md
@@ -1,3 +1,5 @@
+`Platforms supported: GitHub, GitLab`
+
 ## Overview
 
 The `generate_labels` tool scans the PR code changes, and given a list of labels and their descriptions, it automatically suggests labels that match the PR code changes.