diff --git a/Days/day21.md b/Days/day21.md
index 5423ede..dfa963e 100644
--- a/Days/day21.md
+++ b/Days/day21.md
@@ -2,7 +2,7 @@
 title: '#90DaysOfDevOps - The Big Picture: DevOps and Networking - Day 21'
 published: false
 description: 90DaysOfDevOps - The Big Picture DevOps and Networking
-tags: "devops, 90daysofdevops, learning"
+tags: 'devops, 90daysofdevops, learning'
 cover_image: null
 canonical_url: null
 id: 1048761