diff --git a/config.toml.sample b/config.toml.sample
index 26299d0..027a566 100644
--- a/config.toml.sample
+++ b/config.toml.sample
@@ -25,7 +25,7 @@ prune_days = 150
 debug_mode = true
 
 # Used to encrypt csrf tokens and csrf cookies.
-# Generate random bytes: openssl rand -base64 48
+# Generate random bytes: openssl rand -base64 32
 # Then paste the result in this variable
 cookie_key = ""