diff --git a/README.md b/README.md
index d4fd43a1..e339dcb9 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ In order to use Long Polling mode, just create your own bot extending `org.teleg
 If you like to use Webhook, extend `org.telegram.telegrambots.bots.TelegramWebhookBot`
 
 
-Once done, you just need to creat a `org.telegram.telegrambots.TelegramBotsApi`and register your bots:
+Once done, you just need to create a `org.telegram.telegrambots.TelegramBotsApi`and register your bots:
 
 ```java
 
diff --git a/src/main/java/org/telegram/telegrambots/bots/TelegramLongPollingCommandBot.java b/src/main/java/org/telegram/telegrambots/bots/TelegramLongPollingCommandBot.java
index fba5b986..f9f8091f 100644
--- a/src/main/java/org/telegram/telegrambots/bots/TelegramLongPollingCommandBot.java
+++ b/src/main/java/org/telegram/telegrambots/bots/TelegramLongPollingCommandBot.java
@@ -14,7 +14,7 @@ import java.util.function.BiConsumer;
 /**
  * This class adds command functionality to the TelegramLongPollingBot
  *
- * @author tschulz
+ * @author Timo Schulz (Mit0x2)
  */
 public abstract class TelegramLongPollingCommandBot extends TelegramLongPollingBot implements ICommandRegistry {
     private final CommandRegistry commandRegistry;
diff --git a/src/main/java/org/telegram/telegrambots/bots/commands/BotCommand.java b/src/main/java/org/telegram/telegrambots/bots/commands/BotCommand.java
index f46e9a10..4b0935fa 100644
--- a/src/main/java/org/telegram/telegrambots/bots/commands/BotCommand.java
+++ b/src/main/java/org/telegram/telegrambots/bots/commands/BotCommand.java
@@ -1,12 +1,13 @@
 package org.telegram.telegrambots.bots.commands;
 
 import org.telegram.telegrambots.api.objects.Chat;
+import org.telegram.telegrambots.api.objects.User;
 import org.telegram.telegrambots.bots.AbsSender;
 
 /**
  * Representation of a command, which can be executed
  *
- * @author tschulz
+ * @author Timo Schulz (Mit0x2)
  */
 public abstract class BotCommand {
     public final static String COMMAND_INIT_CHARACTER = "/";
@@ -69,8 +70,9 @@ public abstract class BotCommand {
      * Execute the command
      *
      * @param absSender absSender to send messages over
+     * @param user      the user who sent the command
      * @param chat      the chat, to be able to send replies
      * @param arguments passed arguments
      */
-    public abstract void execute(AbsSender absSender, Chat chat, String[] arguments);
+    public abstract void execute(AbsSender absSender, User user, Chat chat, String[] arguments);
 }
\ No newline at end of file
diff --git a/src/main/java/org/telegram/telegrambots/bots/commands/CommandRegistry.java b/src/main/java/org/telegram/telegrambots/bots/commands/CommandRegistry.java
index 6d2d3eb7..1cbafd7f 100644
--- a/src/main/java/org/telegram/telegrambots/bots/commands/CommandRegistry.java
+++ b/src/main/java/org/telegram/telegrambots/bots/commands/CommandRegistry.java
@@ -10,16 +10,15 @@ import java.util.Map;
 import java.util.function.BiConsumer;
 
 /**
- * @author tschulz
+ * This class manages all the commands for a bot. You can register and deregister commands on demand
+ *
+ * @author Timo Schulz (Mit0x2)
  */
 public final class CommandRegistry implements ICommandRegistry {
 
     private final Map<String, BotCommand> commandRegistryMap = new HashMap<>();
     private BiConsumer<AbsSender, Message> defaultConsumer;
 
-    public CommandRegistry() {
-    }
-
     @Override
     public void registerDefaultAction(BiConsumer<AbsSender, Message> defaultConsumer) {
         this.defaultConsumer = defaultConsumer;
@@ -87,7 +86,7 @@ public final class CommandRegistry implements ICommandRegistry {
 
                 if (commandRegistryMap.containsKey(command)) {
                     String[] parameters = Arrays.copyOfRange(commandSplit, 1, commandSplit.length);
-                    commandRegistryMap.get(command).execute(absSender, message.getChat(), parameters);
+                    commandRegistryMap.get(command).execute(absSender, message.getFrom(), message.getChat(), parameters);
                     return true;
                 } else if (defaultConsumer != null) {
                     defaultConsumer.accept(absSender, message);
diff --git a/src/main/java/org/telegram/telegrambots/bots/commands/ICommandRegistry.java b/src/main/java/org/telegram/telegrambots/bots/commands/ICommandRegistry.java
index 676e1f8f..d6cd992c 100644
--- a/src/main/java/org/telegram/telegrambots/bots/commands/ICommandRegistry.java
+++ b/src/main/java/org/telegram/telegrambots/bots/commands/ICommandRegistry.java
@@ -8,7 +8,9 @@ import java.util.Map;
 import java.util.function.BiConsumer;
 
 /**
+ * This Interface represents the gateway for registering and deregistering commands.
  *
+ * @author Timo Schulz (Mit0x2)
  */
 public interface ICommandRegistry {