docs($parse): formatting, link to security docs

src/ng/parse.js

@@ -7,7 +7,7 @@ var promiseWarning;
 // Sandboxing Angular Expressions
 // ------------------------------
 // Angular expressions are generally considered safe because these expressions only have direct
-// access to $scope and locals. However, one can obtain the ability to execute arbitrary JS code by
+// access to `$scope` and locals. However, one can obtain the ability to execute arbitrary JS code by
 // obtaining a reference to native JS functions such as the Function constructor.
 //
 // As an example, consider the following Angular expression:
@@ -16,7 +16,7 @@ var promiseWarning;
 //
 // This sandboxing technique is not perfect and doesn't aim to be. The goal is to prevent exploits
 // against the expression language, but not to prevent exploits that were enabled by exposing
-// sensitive JavaScript or browser apis on Scope. Exposing such objects on a Scope is never a good
+// sensitive JavaScript or browser APIs on Scope. Exposing such objects on a Scope is never a good
 // practice and therefore we are not even trying to protect against interaction with an object
 // explicitly exposed in this way.
 //
@@ -24,6 +24,8 @@ var promiseWarning;
 // window or some DOM object that has a reference to window is published onto a Scope.
 // Similarly we prevent invocations of function known to be dangerous, as well as assignments to
 // native objects.
+//
+// See https://docs.angularjs.org/guide/security
 
 
 function ensureSafeMemberName(name, fullExpression) {