diff --git a/archetypes/blog/index.md b/archetypes/blog/index.md
index fa19b35..c01cb8f 100644
--- a/archetypes/blog/index.md
+++ b/archetypes/blog/index.md
@@ -14,7 +14,7 @@ tags:
   - awesome
 
 series:
-  - Archetype
+  - archetype
 
 # this will be shown for the article in list pages and in the page metadata
 # it can be either an image or video (this might change in the future, however)