diff --git a/content/concepts/architecture.md b/content/concepts/architecture.md
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--- a/content/concepts/architecture.md
+++ b/content/concepts/architecture.md
@@ -7,7 +7,7 @@ description: Simplicity and Interoperability via a Datatokens Core
 
 Here is the Ocean architecture.
 
-![Ocean Protocol tools architecture](images/architecture.png)
+![Ocean Protocol tools architecture](images/architecture.PNG)
 
 Here’s an overview of the figure.
 
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