diff --git a/src/math/rand/rand.go b/src/math/rand/rand.go
index 957bebdddd..147c92f9e2 100644
--- a/src/math/rand/rand.go
+++ b/src/math/rand/rand.go
@@ -393,7 +393,7 @@ func (r *lockedSource) Seed(seed int64) {
 	r.lk.Unlock()
 }
 
-// seedPos implements Seed for a lockedSource without a race condiiton.
+// seedPos implements Seed for a lockedSource without a race condition.
 func (r *lockedSource) seedPos(seed int64, readPos *int8) {
 	r.lk.Lock()
 	r.src.Seed(seed)