diff --git a/_data/signed/Arny4.yml b/_data/signed/Arny4.yaml
similarity index 100%
rename from _data/signed/Arny4.yml
rename to _data/signed/Arny4.yaml
diff --git a/_data/signed/heyzea1.md b/_data/signed/heyzea1.yaml
similarity index 100%
rename from _data/signed/heyzea1.md
rename to _data/signed/heyzea1.yaml
diff --git a/_data/signed/louis-vs.yaml b/_data/signed/louis-vs.yaml
index 072d6b8ea..3be8bada7 100644
--- a/_data/signed/louis-vs.yaml
+++ b/_data/signed/louis-vs.yaml
@@ -1,2 +1,2 @@
 name: Louis Van Steene
-link: louis-vs.github.io
+link: https://louis-vs.github.io
diff --git a/_data/signed/mattiaoki.yaml b/_data/signed/mattiaoki.yaml
index e5231e145..23ad75995 100644
--- a/_data/signed/mattiaoki.yaml
+++ b/_data/signed/mattiaoki.yaml
@@ -1,2 +1,2 @@
 name: mattiaoki
-link: https://github.com/mattiaoki 
+link: https://github.com/mattiaoki
\ No newline at end of file