Answer 1-count.js: describe line 3 and assignment operator

Author: debug2604

Sprint-2/1-key-exercises/1-count.js

@@ -4,3 +4,5 @@ count = count + 1;
 
 // Line 1 is a variable declaration, creating the count variable with an initial value of 0
 // Describe what line 3 is doing, in particular focus on what = is doing
+
+//Line 3 is reassignment of variable "count". The new assignment adds 1 to current value of count, "=" is to assign value on right-hand side to variable on left.