diff --git a/wiki/src/blueprint/randomness_seeding.mdwn b/wiki/src/blueprint/randomness_seeding.mdwn
index 2db461cadc6f018fc31c82c460a3b786bdb22931..72df00027075b9d99cd458c1b3354411b39ed898 100644
--- a/wiki/src/blueprint/randomness_seeding.mdwn
+++ b/wiki/src/blueprint/randomness_seeding.mdwn
@@ -36,7 +36,7 @@ See the related [[design document|contribute/design/random]]
 
 Tails does not ship /var/lib/urandom/random-seed in the ISO, since it
 means shipping a fixed known value for every Tails installation, which
-in turn means that entropy contribution would zero. Furthermore, this
+in turn means that entropy contribution would be zero. Furthermore, this
 breaks reproducibility of the ISO image.
 
 Without this random seed, systemd-random-seed won't write anything to