diff --git a/.obsidian/workspace.json b/.obsidian/workspace.json
index db27a6d..aaa9eaf 100644
--- a/.obsidian/workspace.json
+++ b/.obsidian/workspace.json
@@ -108,6 +108,7 @@
             "state": {
               "type": "backlink",
               "state": {
+                "file": "2025/Secure erase under macOS.md",
                 "collapseAll": false,
                 "extraContext": false,
                 "sortOrder": "alphabetical",
@@ -117,7 +118,7 @@
                 "unlinkedCollapsed": true
               },
               "icon": "links-coming-in",
-              "title": "Backlinks"
+              "title": "Backlinks for Secure erase under macOS"
             }
           },
           {
diff --git a/2025/Secure erase under macOS.md b/2025/Secure erase under macOS.md
index 555d83c..a6cf651 100644
--- a/2025/Secure erase under macOS.md	
+++ b/2025/Secure erase under macOS.md	
@@ -25,4 +25,5 @@ From this [post at Backblaze](https://www.backblaze.com/blog/how-to-wipe-a-mac-
 Source: <https://apple.stackexchange.com/a/405605>
 
 Extra for reinstall clean old version:
-https://www.macworld.com/article/671911/how-to-get-old-macos-download-big-sur-catalina-mojave-and-more.html
\ No newline at end of file
+* https://www.macworld.com/article/671911/how-to-get-old-macos-download-big-sur-catalina-mojave-and-more.html
+* (Apple.com Mac startup key combinations)[https://support.apple.com/en-ke/102603]