diff --git a/lib/libmp/libmp.3 b/lib/libmp/libmp.3
index b936d8934c98..e99f36e11aeb 100644
--- a/lib/libmp/libmp.3
+++ b/lib/libmp/libmp.3
@@ -174,7 +174,7 @@ are ordinary integers.
 .Fn pow "const MINT *bmp" "const MINT *emp" "const MINT *mmp" "MINT *rmp" ;
 .Pp
 .Ft void
-.Fn pow "const MINT *bmp" "short e" "MINT *rmp" ;
+.Fn rpow "const MINT *bmp" "short e" "MINT *rmp" ;
 .Bd -ragged -offset indent
 .Fn rpow
 computes the result of