docs($compile): fix minor typo

Closes #8048

src/ng/compile.js

@@ -162,7 +162,7 @@
  *   local name. Given `<widget my-attr="count = count + value">` and widget definition of
  *   `scope: { localFn:'&myAttr' }`, then isolate scope property `localFn` will point to
  *   a function wrapper for the `count = count + value` expression. Often it's desirable to
- *   pass data from the isolated scope via an expression and to the parent scope, this can be
+ *   pass data from the isolated scope via an expression to the parent scope, this can be
  *   done by passing a map of local variable names and values into the expression wrapper fn.
  *   For example, if the expression is `increment(amount)` then we can specify the amount value
  *   by calling the `localFn` as `localFn({amount: 22})`.