Update README.md

Author: LastAncientOne

Stock_Algorithms/README.md

@@ -2,11 +2,11 @@
 :arrow_forward: AdaBoost  
 :arrow_forward: Bagging Classifier  
 :arrow_forward: Classification Cluster  
-:arrow_forward: Decision Trees  
-:arrow_forward: Logistic Regression  
-:arrow_forward: Polynomial Regression 
-:arrow_forward: Random Forest Classification
-:arrow_forward: Random Forest Regression
+:arrow_forward: Decision Tree   
+:arrow_forward: Logistic Regression    
+:arrow_forward: Polynomial Regression   
+:arrow_forward: Random Forest Classification  
+:arrow_forward: Random Forest Regression   
 :arrow_forward: Linear Regression  
 :arrow_forward: Logistic Regression  
 :arrow_forward: Polynomial Regression