diff --git a/Setting-Up-a-Local-Musicbrainz-Mirror.md b/Setting-Up-a-Local-Musicbrainz-Mirror.md
index 287c6ee..a79632c 100644
--- a/Setting-Up-a-Local-Musicbrainz-Mirror.md
+++ b/Setting-Up-a-Local-Musicbrainz-Mirror.md
@@ -166,8 +166,13 @@ _(NOTE: In order to install all the Carton dependencies, all of these packages a
 > 1)  Install PostgreSQL Extensions
 
 >     Before you start, you need to install the PostgreSQL Extensions on your
->     database server. To build the musicbrainz_unaccent extension run these
->     commands:
+>     database server. First, from the MusicBrainz source code directory run these
+>     commands to pull the extensions from the Git server:
+
+>         git submodule init
+>         git submodule update
+
+>     Then to build the musicbrainz_unaccent extension run these commands:
 
 >         cd postgresql-musicbrainz-unaccent
 >         make