diff --git a/conf.py b/conf.py
index 2ce75c10..032dcb6b 100644
--- a/conf.py
+++ b/conf.py
@@ -93,6 +93,10 @@
 ]
 linkcheck_anchors_ignore_for_url.extend(custom_linkcheck_anchors_ignore_for_url)
 
+# Tags cannot be added directly in custom_conf.py, so add them here
+for tag in custom_tags:
+    tags.add(tag)
+
 ############################################################
 ### Styling
 ############################################################
diff --git a/custom_conf.py b/custom_conf.py
index 024d8bd2..94c90112 100644
--- a/custom_conf.py
+++ b/custom_conf.py
@@ -141,6 +141,10 @@
 # You can disable it by setting the following configuration to True.
 disable_feedback_button = False
 
+# Add tags that you want to use for conditional inclusion of text
+# (https://www.sphinx-doc.org/en/master/usage/restructuredtext/directives.html#tags)
+custom_tags = []
+
 ############################################################
 ### Additional configuration
 ############################################################