diff --git a/bin/expr/expr.1 b/bin/expr/expr.1
index 717f9f6435b..df4c70b9118 100644
--- a/bin/expr/expr.1
+++ b/bin/expr/expr.1
@@ -150,7 +150,7 @@ syntax) adds one to the variable
 .Va a :
 .Dl a=$(expr $a + 1)
 .It
-This will fail if the value if
+This will fail if the value of
 .Va a
 is a negative number.
 To protect negative values of