diff --git a/src/TgBotLib/Events/ChatBoostEvent.php b/src/TgBotLib/Events/ChatBoostEvent.php
index 0a87d41..685a16c 100644
--- a/src/TgBotLib/Events/ChatBoostEvent.php
+++ b/src/TgBotLib/Events/ChatBoostEvent.php
@@ -17,6 +17,8 @@
         }
 
         /**
+         * A chat boost was added or changed. The bot must be an administrator in the chat to receive these updates.
+         *
          * @return ChatBoostUpdated The updated chat boost information.
          */
         protected function getChatBoost(): ChatBoostUpdated
diff --git a/src/TgBotLib/Events/ChatJoinRequestEvent.php b/src/TgBotLib/Events/ChatJoinRequestEvent.php
index 599042c..2efca36 100644
--- a/src/TgBotLib/Events/ChatJoinRequestEvent.php
+++ b/src/TgBotLib/Events/ChatJoinRequestEvent.php
@@ -9,13 +9,17 @@
 
     abstract class ChatJoinRequestEvent extends UpdateEvent
     {
+        /**
+         * @inheritDoc
+         */
         public static function getEventType(): UpdateEventType
         {
             return UpdateEventType::CHAT_JOIN_REQUEST_EVENT;
         }
 
         /**
-         * Retrieves the chat join request from the update.
+         * A request to join the chat has been sent. The bot must have the can_invite_users
+         * administrator right in the chat to receive these updates.
          *
          * @return ChatJoinRequest The chat join request data.
          */
diff --git a/src/TgBotLib/Events/ChatMemberUpdatedEvent.php b/src/TgBotLib/Events/ChatMemberUpdatedEvent.php
index cb1c62d..08d1222 100644
--- a/src/TgBotLib/Events/ChatMemberUpdatedEvent.php
+++ b/src/TgBotLib/Events/ChatMemberUpdatedEvent.php
@@ -18,7 +18,8 @@
         }
 
         /**
-         * Retrieves the updated chat member information from the update object.
+         * A chat member's status was updated in a chat. The bot must be an administrator in the chat and must
+         * explicitly specify "chat_member" in the list of allowed_updates to receive these updates.
          *
          * @return ChatMemberUpdated The updated chat member instance.
          */
diff --git a/src/TgBotLib/Events/ChosenInlineResultEvent.php b/src/TgBotLib/Events/ChosenInlineResultEvent.php
index cc67ab8..5687fe1 100644
--- a/src/TgBotLib/Events/ChosenInlineResultEvent.php
+++ b/src/TgBotLib/Events/ChosenInlineResultEvent.php
@@ -18,7 +18,7 @@
         }
 
         /**
-         * Retrieves the chosen inline result from the current update.
+         * The result of an inline query that was chosen by a user and sent to their chat partner.
          *
          * @return ChosenInlineResult The chosen inline result associated with the current update.
          */
diff --git a/src/TgBotLib/Events/InlineQueryEvent.php b/src/TgBotLib/Events/InlineQueryEvent.php
index dd9835e..86bd397 100644
--- a/src/TgBotLib/Events/InlineQueryEvent.php
+++ b/src/TgBotLib/Events/InlineQueryEvent.php
@@ -17,7 +17,7 @@
             return UpdateEventType::INLINE_QUERY;
         }
 
-        /**
+        /**C
          * New incoming inline query
          *
          * @return InlineQuery
diff --git a/src/TgBotLib/Events/PollEvent.php b/src/TgBotLib/Events/PollEvent.php
index 372024b..b965f7b 100644
--- a/src/TgBotLib/Events/PollEvent.php
+++ b/src/TgBotLib/Events/PollEvent.php
@@ -18,9 +18,10 @@
         }
 
         /**
-         * New poll state. Bots receive only updates about manually stopped polls and polls, which are sent by the bot
+         * A user changed their answer in a non-anonymous poll.
+         * Bots receive new votes only in polls that were sent by the bot itself.
          *
-         * @return Poll
+         * @return Poll The poll.
          */
         protected function getPoll(): Poll
         {
diff --git a/src/TgBotLib/Events/RemovedChatBoostEvent.php b/src/TgBotLib/Events/RemovedChatBoostEvent.php
index 5910a77..2ae20a5 100644
--- a/src/TgBotLib/Events/RemovedChatBoostEvent.php
+++ b/src/TgBotLib/Events/RemovedChatBoostEvent.php
@@ -17,7 +17,7 @@
         }
 
         /**
-         * Retrieves the removed chat boost from the update.
+         * A boost was removed from a chat. The bot must be an administrator in the chat to receive these updates.
          *
          * @return ChatBoostRemoved The chat boost that was removed.
          */