diff --git a/man3/tsearch.3 b/man3/tsearch.3
index a3df9617a..5422d6c0f 100644
--- a/man3/tsearch.3
+++ b/man3/tsearch.3
@@ -48,7 +48,7 @@ tsearch, tfind, tdelete, twalk, tdestroy \- manage a binary search tree
 .B #include <search.h>
 .PP
 .BI "void twalk_r(const void *" root ,
-.BI "                void (*" action ")(const void *" np ", VISIT " which ,
+.BI "                void (*" action ")(const void *" nodep ", VISIT " which ,
 .BI "                               void *" closure "),
 .BI "                void *" closure );
 .PP