diff --git a/subprojects/pango.wrap b/subprojects/pango.wrap
index b75c158b86..7156644a28 100644
--- a/subprojects/pango.wrap
+++ b/subprojects/pango.wrap
@@ -2,6 +2,7 @@
 directory = pango
 url = https://gitlab.gnome.org/GNOME/pango.git
 push-url = ssh://git@ssh.gitlab.gnome.org:GNOME/pango.git
+# needs to be main, because we build the nightly docs from the subproject
 revision = main
 depth = 1