Update telegram.md (#3433)

* Update telegram.md

* Update content/yaml-notification/telegram.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: tirth-patel-nc

content/yaml-notification/telegram.md

@@ -53,7 +53,7 @@ android-workflow:
           ARTIFACT_URL=$(echo $CM_ARTIFACT_LINKS | jq -r '.[] | select(.name | endswith(".aab")) | .url')
 
           # Set the expiration timestamp for the public URL (3 days from now)
-          expiration_timestamp=$(date -v+3d +%s)
+          expiration_timestamp=$(date -v+3d +%s) # use expiration_timestamp=$(date -d "+3 days" +%s) for Linux
 
           # Create a public download URL for the artifact
           response=$(curl -s -H "Content-Type: application/json" \
@@ -67,4 +67,4 @@ android-workflow:
           curl -s -X POST "https://api.telegram.org/bot$TELEGRAM_BOT_TOKEN/sendMessage" \
                 -d chat_id="$TELEGRAM_CHAT_ID" \
                 -d text="Here is the public URL for the .aab file: $public_url"
-{{< /highlight >}}
+{{< /highlight >}}