diff --git a/.github/dev.yml b/.github/dev.yml
index e1f441f..6187dbb 100644
--- a/.github/dev.yml
+++ b/.github/dev.yml
@@ -34,3 +34,21 @@ steps:
     publishPackageMetadata: true
     nuGetFeedType: 'external'
     publishFeedCredentials: 'nuget.org'
+
+- task: InvokeRESTAPI@1
+  inputs:
+    connectionType: 'connectedServiceName'
+    serviceConnection: 'Telegram Deploy Notice'
+    method: 'POST'
+    body: |
+      { 
+        "status": "success",
+        "complete": true,
+        "message": "{
+          \"commitId\": \"$(Build.SourceVersion)\",
+          \"buildNumber\": \"$(Build.BuildNumber)\",
+          \"teamProjectName\": \"$(System.TeamProject)\",
+          \"commitMessage\": \"$(Build.SourceVersionMessage)\"
+        }"
+      }
+    waitForCompletion: 'false'
diff --git a/.github/release.yml b/.github/release.yml
index 0b50ce6..14e7bdb 100644
--- a/.github/release.yml
+++ b/.github/release.yml
@@ -59,13 +59,13 @@ stages:
           serviceConnection: 'Telegram Deploy Notice'
           method: 'POST'
           body: |
-            { 
+            {
               "status": "success",
               "complete": true,
               "message": "{
                 \"commitId\": \"$(Build.SourceVersion)\",
                 \"buildNumber\": \"$(Build.BuildNumber)\",
-                \"teamProjectName\": \"$(system.TeamProject)\"
+                \"teamProjectName\": \"$(System.TeamProject)\"
               }"
             }
           waitForCompletion: 'false'
diff --git a/README.md b/README.md
index e73b22e..0829baa 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,7 @@ or a [broadcast channel](https://corefork.telegram.org/api/channel#channels) (th
 See [FAQ #4](https://wiz0u.github.io/WTelegramClient/FAQ#access-hash) to learn more about it.
 - **DC** (DataCenter): There are a few datacenters depending on where in the world the user (or an uploaded media file) is from.
 - **Session** or **Authorization**: Pairing between a device and a phone number. You can have several active sessions for the same phone number.
+- **Participant**: A member/subscriber of a chat group or channel
 
 # Other things to know
 
diff --git a/src/Client.Helpers.cs b/src/Client.Helpers.cs
index 57f4701..b8776ab 100644
--- a/src/Client.Helpers.cs
+++ b/src/Client.Helpers.cs
@@ -244,10 +244,10 @@ namespace WTelegram
 						}
 				}
 			}
-			var lastMedia = multiMedia[^1];
-			lastMedia.message = caption;
-			lastMedia.entities = entities;
-			if (entities != null) lastMedia.flags = InputSingleMedia.Flags.has_entities;
+			var firstMedia = multiMedia[0];
+			firstMedia.message = caption;
+			firstMedia.entities = entities;
+			if (entities != null) firstMedia.flags = InputSingleMedia.Flags.has_entities;
 
 			var updates = await this.Messages_SendMultiMedia(peer, multiMedia, reply_to: reply_to_msg_id == 0 ? null : new InputReplyToMessage { reply_to_msg_id = reply_to_msg_id }, schedule_date: schedule_date);
 			RaiseUpdate(updates);