diff --git a/roles/0-init/defaults/main.yml b/roles/0-init/defaults/main.yml
index 4a9b1e4c1..a1ae1d0f7 100644
--- a/roles/0-init/defaults/main.yml
+++ b/roles/0-init/defaults/main.yml
@@ -23,7 +23,9 @@ NUC6_firmware_needed: False
 # Used in 2-common/tasks/xo.yml
 wifi_id: none
 
-# Used in 2-common, 3-base-server and roles/network
+# 2021-07-30: roles/network/tasks/squid.yml#L16 to stop Squid
+# ("when: not installing") is the only non-Fedora use of this var.
+# Earlier, this var HAD also been used in 2-common and 3-base-server.
 installing: False
 
 # Network