Follow up to the follow up in #616 (#660)

config.example.toml

@@ -153,6 +153,7 @@
 
 
 [git]
+# How many repos to pull at max in parallel
 # max_concurrency = 5
 
 # Additional git repositories to pull
@@ -167,6 +168,7 @@
 # Arguments to pass Git when pulling Repositories
 # arguments = "--rebase --autostash"
 
+
 [windows]
 # Manually select Windows updates
 # accept_all_updates = false