diff --git a/docs/main/prerequisites.md b/docs/main/prerequisites.md
index e7ec7f6..114e7dc 100644
--- a/docs/main/prerequisites.md
+++ b/docs/main/prerequisites.md
@@ -8,7 +8,7 @@ last_updated: May 25 2020
 
 Pi-hole is very lightweight and does not require much processing power
 
-- ~52MB of free space
+- Min. 2GB free space, 4GB recommended
 - 512MB RAM
 
 Despite the name, you are not limited to running Pi-hole on a Raspberry Pi.