diff --git a/.obsidian/plugins/obsidian-git/data.json b/.obsidian/plugins/obsidian-git/data.json
index 4bc189e..7b1247f 100644
--- a/.obsidian/plugins/obsidian-git/data.json
+++ b/.obsidian/plugins/obsidian-git/data.json
@@ -2,7 +2,7 @@
   "commitMessage": "vault backup: {{date}}",
   "autoCommitMessage": "vault backup: {{date}}",
   "commitDateFormat": "YYYY-MM-DD HH:mm:ss",
-  "autoSaveInterval": 5,
+  "autoSaveInterval": 1,
   "autoPushInterval": 0,
   "autoPullInterval": 5,
   "autoPullOnBoot": false,
diff --git a/IT/The basics of Git.md b/IT/The basics of Git.md
index e00ba90..9e31636 100644
--- a/IT/The basics of Git.md	
+++ b/IT/The basics of Git.md	
@@ -69,4 +69,8 @@ Then open the project in any merge conflict resolver, and manually resolve the c
 `git switch [branch-name]`
 
 ### List all branches (including remote)
-`git branch --list -a`
\ No newline at end of file
+`git branch --list -a`
+
+## Prune branches that aren't on remote
+<https://stackoverflow.com/questions/7726949/remove-tracking-branches-no-longer-on-remote><br>
+`gu`
\ No newline at end of file