diff --git a/README.md b/README.md
index dea13e62..62052f11 100644
--- a/README.md
+++ b/README.md
@@ -230,7 +230,7 @@ curl -LO https://gist.githubusercontent.com/anonymous/063cb470e56e64e98cf1/raw/9
 $ xsv headers countrynames.csv
 1   Abbrev
 2   Country
-$ xsv join --no-case  Country sample.csv Abbrev countrynames.csv | xsv table
+$ xsv join --no-case  Country worldcitiespop.csv Abbrev countrynames.csv | xsv table
 Country  AccentCity       Population  Abbrev  Country
 es       Barañáin         22264       ES      Spain
 es       Puerto Real      36946       ES      Spain
@@ -249,7 +249,7 @@ no longer need. This is easy to fix by re-ordering columns with the `xsv
 select` command:
 
 ```bash
-$ xsv join --no-case  Country sample.csv Abbrev countrynames.csv \
+$ xsv join --no-case  Country worldcitiespop.csv Abbrev countrynames.csv \
   | xsv select 'Country[1],AccentCity,Population' \
   | xsv table
 Country                                                                              AccentCity       Population