docs($sceDelegateProvider): fix markdown errors

Closes angular#13360

Author: Narretz

src/ng/sce.js

@@ -144,13 +144,15 @@ function $SceDelegateProvider() {
    * @kind function
    *
    * @param {Array=} whitelist When provided, replaces the resourceUrlWhitelist with the value
-   *     provided.  This must be an array or null.  A snapshot of this array is used so further
-   *     changes to the array are ignored.
+   *    provided.  This must be an array or null.  A snapshot of this array is used so further
+   *    changes to the array are ignored.
    *
-   *     Follow {@link ng.$sce#resourceUrlPatternItem this link} for a description of the items
-   *     allowed in this array.
+   *    Follow {@link ng.$sce#resourceUrlPatternItem this link} for a description of the items
+   *    allowed in this array.
    *
-   *     Note: **an empty whitelist array will block all URLs**!
+   *    <div class="alert alert-warning">
+   *    **Note:** an empty whitelist array will block all URLs!
+   *    </div>
    *
    * @return {Array} the currently set whitelist array.
    *
@@ -173,17 +175,17 @@ function $SceDelegateProvider() {
    * @kind function
    *
    * @param {Array=} blacklist When provided, replaces the resourceUrlBlacklist with the value
-   *     provided.  This must be an array or null.  A snapshot of this array is used so further
-   *     changes to the array are ignored.
+   *    provided.  This must be an array or null.  A snapshot of this array is used so further
+   *    changes to the array are ignored.
    *
-   *     Follow {@link ng.$sce#resourceUrlPatternItem this link} for a description of the items
-   *     allowed in this array.
+   *    Follow {@link ng.$sce#resourceUrlPatternItem this link} for a description of the items
+   *    allowed in this array.
    *
-   *     The typical usage for the blacklist is to **block
-   *     [open redirects](http://cwe.mitre.org/data/definitions/601.html)** served by your domain as
-   *     these would otherwise be trusted but actually return content from the redirected domain.
+   *    The typical usage for the blacklist is to **block
+   *    [open redirects](http://cwe.mitre.org/data/definitions/601.html)** served by your domain as
+   *    these would otherwise be trusted but actually return content from the redirected domain.
    *
-   *     Finally, **the blacklist overrides the whitelist** and has the final say.
+   *    Finally, **the blacklist overrides the whitelist** and has the final say.
    *
    * @return {Array} the currently set blacklist array.
    *