diff --git a/_data/signed/DeeAitch b/_data/signed/DeeAitch.yaml
similarity index 100%
rename from _data/signed/DeeAitch
rename to _data/signed/DeeAitch.yaml
diff --git a/_data/signed/Mostafa Ahangarha b/_data/signed/ahangarha.yaml
similarity index 100%
rename from _data/signed/Mostafa Ahangarha
rename to _data/signed/ahangarha.yaml
diff --git a/_data/signed/motor1n b/_data/signed/motor1n.yaml
similarity index 100%
rename from _data/signed/motor1n
rename to _data/signed/motor1n.yaml