diff --git a/README.md b/README.md
index c47af00e..0a409c3c 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,9 @@ New posts are created at `/admin/hermes/post`.
 
 Blog posts now include tags which correspond to projects, such as
 `representatives`. 
+
+We've hard-coded tags to reduce the risk of typos and to ensure that tags are used consistently. To add or edit a tag, change the `tag_values` variable in `democracy_club/apps/hermes/admin.py`.
+
 ## Staging environment
 Add your branch to the staging env on .circleci/config to deploy to https://stage.democracyclub.org.uk and test/view edits
 
diff --git a/democracy_club/apps/hermes/admin.py b/democracy_club/apps/hermes/admin.py
index f3941608..a9870eb7 100644
--- a/democracy_club/apps/hermes/admin.py
+++ b/democracy_club/apps/hermes/admin.py
@@ -10,17 +10,19 @@ class Meta:
         fields = "__all__"
 
     tag_values = [
-        ("who_can_i_vote_for", "WCIVF"),
-        ("case_study", "case_study"),
-        ("research", "research"),
-        ("elections", "elections"),
-        ("councils", "councils"),
-        ("candidates", "candidates"),
-        ("representatives", "representatives"),
-        ("data", "data"),
-        ("where_do_i_vote", "WDIV"),
-        ("election_leaflets", "electionleaflets"),
-        ("blog", "blog"),
+        ("WCIVF", "Who Can I Vote For?"),
+        ("case_study", "Case Study"),
+        ("research", "Research"),
+        ("elections", "Elections"),
+        ("councils", "Councils"),
+        ("candidates", "Candidates"),
+        ("representatives", "Representatives"),
+        ("data", "Data"),
+        ("WDIV", "Where Do I Vote?"),
+        ("election_leaflets", "Election Leaflets"),
+        ("blog", "Blog"),
+        ("impact", "Impact"),
+        ("featured", "Featured"),
     ]
 
     tags = forms.MultipleChoiceField(
diff --git a/democracy_club/apps/projects/templates/projects/candidates.html b/democracy_club/apps/projects/templates/projects/candidates.html
index d16db968..b2bb7620 100644
--- a/democracy_club/apps/projects/templates/projects/candidates.html
+++ b/democracy_club/apps/projects/templates/projects/candidates.html
@@ -49,7 +49,7 @@ <h1>Candidates Wiki</h1>
 {% endfilter %}
 
 {% load post_tags %}
-{% posts_for_tag "WCIVF" %}
+{% posts_for_tag "wcivf" %}
 </div>
 
 {% endblock %}
diff --git a/democracy_club/apps/projects/templates/projects/polling-stations/home.html b/democracy_club/apps/projects/templates/projects/polling-stations/home.html
index a01df0ed..b105511e 100644
--- a/democracy_club/apps/projects/templates/projects/polling-stations/home.html
+++ b/democracy_club/apps/projects/templates/projects/polling-stations/home.html
@@ -34,6 +34,6 @@
 {% endfilter %}
 
 {% load post_tags %}
-{% posts_for_tag "WDIV" %}
+{% posts_for_tag "wdiv" %}
 
 {% endblock main_content %}