X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/0dad470eb968da5902027132547988b2b382ae87..77e287f66918296b9461470a7846e22ec1f36a08:/docs/admin/Installation.md

diff --git a/docs/admin/Installation.md b/docs/admin/Installation.md
index 8ca41e8f..d8c98ef5 100644
--- a/docs/admin/Installation.md
+++ b/docs/admin/Installation.md
@@ -38,11 +38,12 @@ For running Nominatim:
 
   * [PostgreSQL](https://www.postgresql.org) (9.3+)
   * [PostGIS](https://postgis.net) (2.2+)
-  * [Python 3](https://www.python.org/)
+  * [Python 3](https://www.python.org/) (3.5+)
   * [Psycopg2](https://www.psycopg.org)
   * [PHP](https://php.net) (7.0 or later)
   * PHP-pgsql
   * PHP-intl (bundled with PHP)
+  * [Python Dotenv](https://github.com/theskumar/python-dotenv)
 
 For running continuous updates:
 
@@ -57,12 +58,12 @@ A minimum of 2GB of RAM is required or installation will fail. For a full
 planet import 64GB of RAM or more are strongly recommended. Do not report
 out of memory problems if you have less than 64GB RAM.
 
-For a full planet install you will need at least 800GB of hard disk space
-(take into account that the OSM database is growing fast). SSD disks
-will help considerably to speed up import and queries.
+For a full planet install you will need at least 900GB of hard disk space.
+Take into account that the OSM database is growing fast.
+Fast disks are essential. Using NVME disks is recommended.
 
 Even on a well configured machine the import of a full planet takes
-at least 2 days. Without SSDs 7-8 days are more realistic.
+around 2 days. On traditional spinning disks, 7-8 days are more realistic.
 
 ## Tuning the PostgreSQL database