diff --git a/content/tech/HowTo_backup.md b/content/tech/HowTo_backup.md
index 860b8de..500ef92 100644
--- a/content/tech/HowTo_backup.md
+++ b/content/tech/HowTo_backup.md
@@ -4,7 +4,8 @@ date = 2024-08-10
 image = "https://imgs.xkcd.com/comics/backup_batteries.png"
 +++
 
-In short: 3-2-1 backup strategy + Disaster recovery plan.
+In short: 3-2-1 backup strategy + Disaster recovery plan.<!--more-->
+
 
 
 
@@ -15,7 +16,11 @@ You should have:
  - on 2 different types of storages
  - including 1 off-site copy
 
-AND you must test disaster recovery plan
+AND you must test disaster recovery plan.
+
+Also worth to mention:
+ - Expect to give for backups 50-70% of budget
+ - Buy 2x more storage than you expect to use
 
 ### Why so many copies?
 
@@ -37,7 +42,7 @@ You should have:
  - 1 backup in another place (encrypted in cloud, HDD stored in another remote location (friend's house))
 
 Backups which should be made regularly (daily or more frequently for critical data, +depends how "hot" data (how fast it changes)).  
-My take on it - have a trusted source of data - RAID/Ceph and use snapshots to have copy of data to save some money on backup drives.
+My take on it - have a reliable storage - Ceph and use snapshots to have copy of data to save some money for backup drives.
 
 ### 2 types of storages
 
diff --git a/themes/anubis2/layouts/partials/head.html b/themes/anubis2/layouts/partials/head.html
index a8f582b..6a2f817 100644
--- a/themes/anubis2/layouts/partials/head.html
+++ b/themes/anubis2/layouts/partials/head.html
@@ -19,6 +19,8 @@
 <!-- <meta property="og:image" content="{{ .Params.image }}" /> -->
 <!-- <meta name="twitter:card" content="summary_large_image" /> -->
 <!-- <meta name="twitter:image" content="{{ .Params.image }}" /> -->
+<meta name="telegram:channel" content="casualblog" />
+
 
 {{ with .Keywords }}
     <meta name="keywords" content="{{ range $i, $e := . }}{{ if $i }},{{ end }}{{ $e }}{{ end }}">