diff --git a/README.md b/README.md
index f14e676..3ee44bc 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ In order to accomplish the smart water heater, the project will be in steps. The
 
 #### First Step Diagram
 
-![First step](firststep.png)
+![First step](first-step.png)
 
 ## Hardware Components
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