diff --git a/Chapter_18/psql_commands.txt b/Chapter_18/psql_commands.txt
index 2e0afc7..d72ee10 100644
--- a/Chapter_18/psql_commands.txt
+++ b/Chapter_18/psql_commands.txt
@@ -66,7 +66,7 @@ DELETE FROM state_regions;
 
 DELETE FROM state_regions;
 
-psql -d analysis -U postgres -c "COPY state_regions FROM STDIN WITH (FORMAT CSV, HEADER);" < state_regions.csv
+psql -d analysis -U postgres -c "COPY state_regions FROM STDIN WITH (FORMAT CSV, HEADER);" < C:\YourDirectory\state_regions.csv
 
 
 -- Listing 18-9: Saving query output to a file
@@ -95,9 +95,10 @@ createdb -U postgres -e box_office
 
 -- Loading shapefiles into PostgreSQL
 
--- For the US Census county shapefile in Chapter 14:
+-- For the US Census counties shapefile in Chapter 15:
 shp2pgsql -I -s 4269 -W Latin1 tl_2019_us_county.shp us_counties_2019_shp | psql -d analysis -U postgres
 
--- For the Santa Fe roads and waterways shapfiles in Chapter 14:
-shp2pgsql -I -s 4269 tl_2016_35049_roads.shp santafe_roads_2016 | psql -d analysis -U postgres
-shp2pgsql -I -s 4269 tl_2016_35049_linearwater.shp santafe_linearwater_2016 | psql -d analysis -U postgres
+-- For the Santa Fe roads and waterways shapfiles in Chapter 15:
+shp2pgsql -I -s 4269 tl_2019_35049_roads.shp santafe_roads_2019 | psql -d analysis -U postgres
+shp2pgsql -I -s 4269 tl_2019_35049_linearwater.shp santafe_linearwater_2019 | psql -d analysis -U postgres
+