Update 08.decision_tree.md

content/08.decision_tree.md

@@ -23,7 +23,7 @@ As can be seen from the figure above, the highest correlation appears between To
 In order to question this highly suspicious result, we divided the origianl dependent variable, CO2_Emitted (US Ton), by Total_Duration to create a new dependent variable called CO2_Emitted/Hour. 
 
 <p align="center">
-  <img src="images/Actual_Predicted_CO2_Emission/Hour.png" alt="Actual vs predicted values using CO2_Emitted/Hour as a dependent variable" width="600px">
+  <img src="images/Actual_Predicted_CO2_Emission/Hour.png" alt="Actual vs predicted values using CO2_Emitted/Hour as a dependent variable." width="600px">
   <br>
   <strong>Figure 9:</strong> Actual vs predicted values using CO2_Emitted/Hour as a dependent variable.
 </p>