diff --git a/readme.md b/readme.md
index 692198c..1c385e0 100644
--- a/readme.md
+++ b/readme.md
@@ -5,14 +5,19 @@ a gemini mirror of hltv.org
 
 ## requirements
 - python3
+- pytz
 - php
 - an instance of reader.php somewhere
 
 ## setup
 - clone this repo
 - cd to this repo
+- `pip3 install pytz`
 - change `$CGI_BIN` at the top of `gemhltv` if the scripts are
   somewhere else
+- change the current\_tz at the top of the gemhltv\_matches file to match
+  yours
+    - a list of valid timezones is available [here](https://gist.githubusercontent.com/heyalexej/8bf688fd67d7199be4a1682b3eec7568/raw/daacf0e4496ccc60a36e493f0252b7988bceb143/pytz-time-zones.py)
 - change `$READER_LINK` at the top of gemhltv\_news to point to your
   instance of reader.php
 - put all the scripts in your cgi-bin