diff --git a/coq.html.markdown b/coq.html.markdown
index 4c1ad690..bbc613ce 100644
--- a/coq.html.markdown
+++ b/coq.html.markdown
@@ -472,7 +472,7 @@ Proof.
   intros A B ab.  destruct ab as [ a b ]. apply a.
 Qed.
 
-(* We can prove easily prove simple polynomial equalities using the
+(* We can easily prove simple polynomial equalities using the
    automated tactic ring. *)
 
 Require Import Ring.