Clarify memory and disk requirements

diff --git a/Repository_Access.md b/Repository_Access.md
index 9c5ef465deea206d60c16380a5417b538051a9ca..05064b5cbb11bfb9bd7cf8f7d4c4483f7565c28b 100644 (file)
--- a/Repository_Access.md
+++ b/Repository_Access.md
@@ -6,7 +6,9 @@ Xonotic uses [several Git repositories](Git). The `all` script in the main repo
 Build Requirements
 ------------------
 
-Make sure you have at least 2 GB memory to compile.
+Make sure you have at least 2 GB memory to compile.  This is enough to run a git server, but 4GB is needed to play using a git client.
+
+[About 12GB of disk space is required for the git repositories.](Git)
 
 ### Linux