diff --git a/README.md b/README.md
index 4fd135d..81bd100 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,6 @@ Applying the 3 simple rules of flocking
 https://gamedevelopment.tutsplus.com/tutorials/3-simple-rules-of-flocking-behaviors-alignment-cohesion-and-separation--gamedev-3444
 
 
-A.I. Behaviour trees: it is a Normal Tree that can contains a ( selector, Composite, Decorator, Sequence, leaf) 
+A.I. Behaviour trees: It is a Normal Tree that can contain a ( selector, Composite, Decorator, Sequence, leaf) 
 a Selector can contain multiple leafs but only runs one leaf, a composite is like the header to hold a selector or decorator, decorator runs only 1 thing down it, Sequence runs multiple leaves as long as the leaf is returning success.
-https://www.gamasutra.com/blogs/ChrisSimpson/20140717/221339/Behavior_trees_for_AI_How_they_work.php
\ No newline at end of file
+https://www.gamasutra.com/blogs/ChrisSimpson/20140717/221339/Behavior_trees_for_AI_How_they_work.php