diff --git a/nl.1 b/nl.1
index 6fb77e6..aee6fad 100644
--- a/nl.1
+++ b/nl.1
@@ -52,7 +52,7 @@ Set
 .Ar delim
 as the delimiter for logical pages. If
 .Ar delim
-is only on character,
+is only one character,
 .Nm
 appends ":" to it. The default is "\e:".
 .It Fl i Ar num