diff --git a/34.md b/34.md
index 2a7f489f..7eea92b8 100644
--- a/34.md
+++ b/34.md
@@ -17,7 +17,7 @@ Git repositories are hosted in Git-enabled servers, but their existence can be a
   "kind": 30617,
   "content": "",
   "tags": [
-    ["d", "<repo-id>"],
+    ["d", "<repo-id>"], // usually kebab-case short name
     ["name", "<human-readable project name>"],
     ["description", "brief human-readable project description>"],
     ["web", "<url for browsing>", ...], // a webpage url, if the git server being used provides such a thing