diff --git a/README.md b/README.md
index 09a415f1d29bdfd580fd77778bc82f88481bc7e6..5bbf46481650896c37bf08d00e2c1bcd94860ead 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@ The dataset consists of network traffic data captured from emulated IoT network
 
 <div align="center">
 <img src="image-1.png" alt="alt text" width="500" />
+<em>Overview of the IoT network architecture</em>
 </div>
 
 You find in this dataset the graph that contains all the attacks and also one graph per attack. The graph containing all attacks is the merge of attack graphs include normal traffic.