X-Git-Url: https://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=makefile;h=829bbb0c25cb693a59c4c429c90297dcb2c1841f;hb=e40c44272f87ff1025b0466b4cb17050aede45e0;hp=13032e9a18ef6b031dc251820dfd49186f8dd26e;hpb=ee8fd80377354b587a9dbe19ff25fea0cf8979e5;p=dead%2Fcensus-tools.git

diff --git a/makefile b/makefile
index 13032e9..829bbb0 100644
--- a/makefile
+++ b/makefile
@@ -44,8 +44,9 @@ data:
 # support to the database.
 #
 # At that point, we import the two PostGIS files, lwpostgis.sql and
-# spatial_ref_sys.sql. These are magic as far as I'm concerned, but
-# PostGIS requires them.
+# spatial_ref_sys.sql. The lwpostgis.sql file contains the geometry
+# functions, while spatial_ref_sys.sql contains a table of SRIDs, and
+# their associated properties. PostGIS requires both.
 #
 # Then, we import the Tiger data using shp2pgsql. The shapefiles
 # should exist, since this task depends on the "data" task, which