Updates controlling-logical-flow/62-for-loops.md

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Author: shawnr

controlling-logical-flow/62-for-loops.md

@@ -46,12 +46,12 @@ let x = 2;
 {% solution %}
 let x = 2;
 
-for (let i=0;i<12;i++){
+for (i=0;i<12;i++){
    console.log(x);
 }
 
 {% validation %}
-assert(foo===8192, "Incorrect.");
+assert(x===8192, "Incorrect.");
 
 {% endexercise %}