diff --git a/_posts/2026-01-23-why-you-should-not-use-discord.md b/_posts/2026-01-23-why-you-should-not-use-discord.md
index a161fa2..5bc831c 100644
--- a/_posts/2026-01-23-why-you-should-not-use-discord.md
+++ b/_posts/2026-01-23-why-you-should-not-use-discord.md
@@ -1,7 +1,7 @@
 ---
 layout: post
 author: Sam Hadow
-tags: messaging proprietary_software
+tags: messaging proprietary-software
 ---
 
 This post is about why you shouldn't use discord and which alternatives exist.