diff --git a/doc/tor-design.tex b/doc/tor-design.tex
index 89399c6bb2..0a27a92525 100644
--- a/doc/tor-design.tex
+++ b/doc/tor-design.tex
@@ -1380,7 +1380,7 @@ simplifying assumption that all participants agree on the set of
 directory servers. Second, while Mixminion needs to predict node
 behavior, Tor only needs a threshold consensus of the current
 state of the network. Third, we assume that we can fall back to the
-human administrators to discover and resolve problems when a concensus
+human administrators to discover and resolve problems when a consensus
 directory cannot be reached. Since there are relatively few directory
 servers (currently 3, but we expect as many as 9 as the network scales),
 we can afford operations like broadcast to simplify the consensus-building