diff --git a/README.md b/README.md
index d2d1203..e41fa1c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,7 @@ sudo npm install --unsafe-perm
 ```
 
 ## How to guide how to configure units and the simulator
+
 <br/>
 **1. Insert Groups** <br/>
 Groups will be inserted using the following script directly on the database:
@@ -49,10 +50,12 @@ BEGIN
 
 end; $$;
 ```
+
 <br/>
 **2. Insert units** <br/>
 The units will be inserted from the provisioning(**Units -> Import from file**) and the **file_name.xlsx** file will have the following format:
-<img src="./doc/units_xlsx.png">
+<img src="./doc/units-xlsx.png">
+
 <br/>
 **3. Cimulator configuration:** <br/>
 **For the simulation to simulate in a period**, we must put the **testing_period setting in settings** (the value is in milliseconds).<br/>