diff --git a/Controller PCB Back.jpg b/Controller-PCB-Back.jpg
similarity index 100%
rename from Controller PCB Back.jpg
rename to Controller-PCB-Back.jpg
diff --git a/Controller PCB Front.jpg b/Controller-PCB-Front.jpg
similarity index 100%
rename from Controller PCB Front.jpg
rename to Controller-PCB-Front.jpg
diff --git a/Controller PCB.jpg b/Controller-PCB.jpg
similarity index 100%
rename from Controller PCB.jpg
rename to Controller-PCB.jpg
diff --git a/Readme.md b/Readme.md
index bd78c70..552c169 100644
--- a/Readme.md
+++ b/Readme.md
@@ -4,11 +4,11 @@ A Raspberry Pi Zero-powered PID reflow oven controller -- PCB design files.
 
 ## Controller PCBA
 
-![PCB Render](Controller PCB.jpg)
+![PCB Render](Controller-PCB.jpg)
 
-![PCB Render](Controller PCB Front.jpg)
+![PCB Render](Controller-PCB-Front.jpg)
 
-![PCB Render](Controller PCB Back.jpg)
+![PCB Render](Controller-PCB-Back.jpg)
 
 
 ## License