Typos in docs (#2055)

* Typo in Guild.createRole docs

Added missing semicolon in example code.

* consistent periods in docs

src/client/voice/VoiceBroadcast.js

@@ -236,7 +236,7 @@ class VoiceBroadcast extends VolumeInterface {
   }
 
   /**
-   * Plays an arbitrary input that can be [handled by ffmpeg](https://ffmpeg.org/ffmpeg-protocols.html#Description)
+   * Plays an arbitrary input that can be [handled by ffmpeg](https://ffmpeg.org/ffmpeg-protocols.html#Description).
    * @param {string} input The arbitrary input
    * @param {StreamOptions} [options] Options for playing the stream
    * @returns {VoiceBroadcast}

src/structures/Guild.js

@@ -979,7 +979,7 @@ class Guild extends Base {
   }
 
   /**
-   * Creates a new role in the guild with given information
+   * Creates a new role in the guild with given information.
    * <warn>The position will silently reset to 1 if an invalid one is provided, or none.</warn>
    * @param {Object} [options] Options
    * @param {RoleData} [options.data] The data to update the role with
@@ -1000,7 +1000,7 @@ class Guild extends Base {
    *   reason: 'we needed a role for Super Cool People',
    * })
    *   .then(role => console.log(`Created role ${role}`))
-   *   .catch(console.error)
+   *   .catch(console.error);
    */
   createRole({ data = {}, reason } = {}) {
     if (data.color) data.color = Util.resolveColor(data.color);

src/structures/Presence.js

@@ -38,7 +38,7 @@ class Presence {
   }
 
   /**
-   * Whether this presence is equal to another
+   * Whether this presence is equal to another.
    * @param {Presence} presence The presence to compare with
    * @returns {boolean}
    */