diff --git a/docs/ref/contrib/gis/install/postgis.txt b/docs/ref/contrib/gis/install/postgis.txt
index 436e0979d2..0c7d20ae84 100644
--- a/docs/ref/contrib/gis/install/postgis.txt
+++ b/docs/ref/contrib/gis/install/postgis.txt
@@ -11,8 +11,8 @@ The `psycopg2`_ module is required for use as the database adapter when using
 GeoDjango with PostGIS.
 
 On Debian/Ubuntu, you are advised to install the following packages:
-``postgresql-x.x``, ``postgresql-x.x-postgis``, ``postgresql-server-dev-x.x``,
-and ``python-psycopg2`` (x.x matching the PostgreSQL version you want to
+``postgresql-x``, ``postgresql-x-postgis-3``, ``postgresql-server-dev-x``,
+and ``python3-psycopg2`` (x matching the PostgreSQL version you want to
 install). Alternately, you can `build from source`_. Consult the
 platform-specific instructions if you are on :ref:`macos` or :ref:`windows`.