fix error 0

Author: Alaterry8

Sprint-3/1-key-errors/0.js

@@ -1,13 +1,17 @@
 // Predict and explain first...
-//  =============> write your prediction here
+//  =============>The function will return capital S because the first letter of the str variable was capitalised with the toUpperCase method
 
 // call the function capitalise with a string input
 // interpret the error message and figure out why an error is occurring
+// The str identifier has already been declared in the function parameter and cannot be declared anywhere else inside the function as a variable 
+
+// =============> write your explanation here
+// When a parameter is declared in a function, it causes an Error if it is declared inside the function as a variable, either you change the name used for the instructions or remove let 
+// =============> write your new code here
 
 function capitalise(str) {
-  let str = `${str[0].toUpperCase()}${str.slice(1)}`;
+  str = `${str[0].toUpperCase()}${str.slice(1)}`;
   return str;
 }
 
-// =============> write your explanation here
-// =============> write your new code here
+console.log(capitalise("hello"));