diff --git a/lib/libc/xdr/xdr.3 b/lib/libc/xdr/xdr.3
index 69f25449be67..6c16cfc3fcfb 100644
--- a/lib/libc/xdr/xdr.3
+++ b/lib/libc/xdr/xdr.3
@@ -31,7 +31,7 @@
 .Nm xdr_reference ,
 .Nm xdr_setpos ,
 .Nm xdr_short ,
-.Nm xdr_sizeof,
+.Nm xdr_sizeof ,
 .Nm xdrstdio_create ,
 .Nm xdr_string ,
 .Nm xdr_u_char ,