diff --git a/IV/wm.sql b/IV/wm.sql
index 542e5e8..35f2c32 100644
--- a/IV/wm.sql
+++ b/IV/wm.sql
@@ -379,8 +379,8 @@ begin
 end;
 $$ language plpgsql;
 
--- splits a line by a point in a more robust way than st_split
--- (see https://trac.osgeo.org/postgis/ticket/2192)
+-- sm_st_split a line by a point in a more robust way than st_split.
+-- See https://trac.osgeo.org/postgis/ticket/2192
 drop function if exists wm_st_split;
 create function wm_st_split(
   input geometry,