docs: Typos, consistency and grammar fixes (#6811)

src/managers/ApplicationCommandManager.js

@@ -54,14 +54,14 @@ class ApplicationCommandManager extends CachedManager {
    */
 
   /**
-   * Options used to fetch data from discord
+   * Options used to fetch data from Discord
    * @typedef {Object} BaseFetchOptions
    * @property {boolean} [cache=true] Whether to cache the fetched data if it wasn't already
    * @property {boolean} [force=false] Whether to skip the cache check and request the API
    */
 
   /**
-   * Options used to fetch Application Commands from discord
+   * Options used to fetch Application Commands from Discord
    * @typedef {BaseFetchOptions} FetchApplicationCommandOptions
    * @property {Snowflake} [guildId] The guild's id to fetch commands for, for when the guild is not cached
    */

src/managers/ApplicationCommandPermissionsManager.js

@@ -328,7 +328,7 @@ class ApplicationCommandPermissionsManager extends BaseManager {
   }
 
   /**
-   * Options used to check existance of permissions on a command
+   * Options used to check the existence of permissions on a command
    * <warn>The `command` parameter is not optional when the managers `commandId` is `null`</warn>
    * @typedef {BaseApplicationCommandPermissionsOptions} HasApplicationCommandPermissionsOptions
    * @param {UserResolvable|RoleResolvable} permissionId The user or role to check if a permission exists for

src/managers/GuildEmojiManager.js

@@ -38,7 +38,7 @@ class GuildEmojiManager extends BaseGuildEmojiManager {
    * @param {GuildEmojiCreateOptions} [options] Options for creating the emoji
    * @returns {Promise<Emoji>} The created emoji
    * @example
-   * // Create a new emoji from a url
+   * // Create a new emoji from a URL
    * guild.emojis.create('https://i.imgur.com/w3duR07.png', 'rip')
    *   .then(emoji => console.log(`Created new emoji with name ${emoji.name}!`))
    *   .catch(console.error);

src/managers/GuildManager.js

@@ -93,7 +93,7 @@ class GuildManager extends CachedManager {
    * @property {number} [userLimit] The user limit of the channel
    * @property {PartialOverwriteData[]} [permissionOverwrites]
    * Overwrites of the channel
-   * @property {number} [rateLimitPerUser] The rate limit per user of the channel in seconds
+   * @property {number} [rateLimitPerUser] The rate limit per user (slowmode) of the channel in seconds
    */
 
   /**

src/managers/GuildMemberManager.js

@@ -76,7 +76,7 @@ class GuildMemberManager extends CachedManager {
    * (requires `MANAGE_ROLES`)
    * @property {boolean} [mute] Whether the member should be muted (requires `MUTE_MEMBERS`)
    * @property {boolean} [deaf] Whether the member should be deafened (requires `DEAFEN_MEMBERS`)
-   * @property {boolean} [force] Whehter to skip the cache check and call the API directly
+   * @property {boolean} [force] Whether to skip the cache check and call the API directly
    * @property {boolean} [fetchWhenExisting=true] Whether to fetch the user if not cached and already a member
    */
 

src/managers/GuildStickerManager.js

@@ -46,7 +46,7 @@ class GuildStickerManager extends CachedManager {
    * @param {GuildStickerCreateOptions} [options] Options
    * @returns {Promise<Sticker>} The created sticker
    * @example
-   * // Create a new sticker from a url
+   * // Create a new sticker from a URL
    * guild.stickers.create('https://i.imgur.com/w3duR07.png', 'rip')
    *   .then(sticker => console.log(`Created new sticker with name ${sticker.name}!`))
    *   .catch(console.error);