Spelling and minor variable name tweak

src/ignite-template.js

@@ -161,7 +161,7 @@ class IgniteTemplate {
                     }
                 };
 
-                //Store the wrapped functino so that it's the old value next time around
+                //Store the wrapped function so that it's the old value next time around
                 //and the old event can be removed in the future
                 func._value = wrapped;
 
@@ -170,10 +170,10 @@ class IgniteTemplate {
             }));
 
             //Create the initial wrapper
-            var old = func._value;
+            var target = func._value;
             var wrapped = (e) => {
                 if (e.key === 'Enter') {
-                    old(e);
+                    target(e);
                 }
             };