diff --git a/src/conf.py b/src/conf.py
index a9fbb399..25ef461d 100644
--- a/src/conf.py
+++ b/src/conf.py
@@ -82,6 +82,7 @@
     'augur': ('https://docs.nextstrain.org/projects/augur/page/', None),
     'auspice': ('https://docs.nextstrain.org/projects/auspice/page/', None),
     'cli': ('https://docs.nextstrain.org/projects/cli/page/', None),
+    # For externally sourced snippets that reference this docs project
     'docs.nextstrain.org': ('https://docs.nextstrain.org/page/', None),
     'nextclade': ('https://docs.nextstrain.org/projects/nextclade/page/', None),
     'ncov': ('https://docs.nextstrain.org/projects/ncov/page/', None)