diff --git a/source/_cookbook/configuration_yaml_by_aneisch b/source/_cookbook/configuration_yaml_by_aneisch.markdown
similarity index 100%
rename from source/_cookbook/configuration_yaml_by_aneisch
rename to source/_cookbook/configuration_yaml_by_aneisch.markdown
diff --git a/source/_cookbook/configuration_yaml_by_cy1701 b/source/_cookbook/configuration_yaml_by_cy1701.markdown
similarity index 100%
rename from source/_cookbook/configuration_yaml_by_cy1701
rename to source/_cookbook/configuration_yaml_by_cy1701.markdown
diff --git a/source/_cookbook/configuration_yaml_by_mf_social b/source/_cookbook/configuration_yaml_by_mf_social
deleted file mode 100644
index 6f6b4941f4f..00000000000
--- a/source/_cookbook/configuration_yaml_by_mf_social
+++ /dev/null
@@ -1,12 +0,0 @@
-+---
- +layout: page
- +title: "Configuration.yaml by mf_social"
- +description: ""
- +date: 2017-11-15 13:08 -0700
- +sidebar: true
- +comments: false
- +sharing: true
- +footer: true
- +ha_category: Example configuration.yaml
- +ha_external_link: https://github.com/mf-social/Home-Assistant
- +---
diff --git a/source/_cookbook/configuration_yaml_by_mf_social.markdown b/source/_cookbook/configuration_yaml_by_mf_social.markdown
new file mode 100644
index 00000000000..67eb9d16280
--- /dev/null
+++ b/source/_cookbook/configuration_yaml_by_mf_social.markdown
@@ -0,0 +1,12 @@
+---
+layout: page
+title: "Configuration.yaml by mf_social"
+description: ""
+date: 2017-10-11 11:45
+sidebar: true
+comments: false
+sharing: true
+footer: true
+ha_category: Example configuration.yaml
+ha_external_link: https://github.com/mf-social/Home-Assistant
+---
diff --git a/source/_cookbook/configuration_yaml_by_stanvx b/source/_cookbook/configuration_yaml_by_stanvx.markdown
similarity index 100%
rename from source/_cookbook/configuration_yaml_by_stanvx
rename to source/_cookbook/configuration_yaml_by_stanvx.markdown