Index: src/XMPPConnection.h
==================================================================
--- src/XMPPConnection.h
+++ src/XMPPConnection.h
@@ -30,32 +30,102 @@
 @class XMPPPresence;
 @class XMPPAuthenticator;
 @class SSLSocket;
 @class XMPPMulticastDelegate;
 
+/**
+ * \brief A protocol should be (partially) implemented
+ *	  by delegates of a XMPPConnection
+ */
 @protocol XMPPConnectionDelegate
 #ifndef XMPP_CONNECTION_M
     <OFObject>
 #endif
 #ifdef OF_HAVE_OPTIONAL_PROTOCOLS
 @optional
 #endif
+
+/**
+ * This callback is called when the connection received an element
+ *
+ * \param connection The connection that received the element
+ * \param element The element that was received
+ */
 -  (void)connection: (XMPPConnection*)connection
   didReceiveElement: (OFXMLElement*)element;
+
+/**
+ * This callback is called when the connection sent an element
+ *
+ * \param connection The connection that sent the element
+ * \param element The element that was sent
+ */
 - (void)connection: (XMPPConnection*)connection
     didSendElement: (OFXMLElement*)element;
+
+/**
+ * This callback is called when the connection sucessfully authenticated
+ *
+ * \param connection The connection that was authenticated
+ */
 - (void)connectionWasAuthenticated: (XMPPConnection*)connection;
+
+/**
+ * This callback is called when the connection was bound to a JID
+ *
+ * \param connection The connection that was bound to a JID
+ * \param JID The JID the conecction was bound to
+ */
 - (void)connection: (XMPPConnection*)connection
      wasBoundToJID: (XMPPJID*)JID;
+
+/**
+ * This callback is called when the connection received an IQ stanza
+ *
+ * \param connection The connection that received the stanza
+ * \param iq The IQ stanza that was received
+ */
 - (BOOL)connection: (XMPPConnection*)connection
       didReceiveIQ: (XMPPIQ*)iq;
+
+/**
+ * This callback is called when the connection received a presence stanza
+ *
+ * \param connection The connection that received the stanza
+ * \param presence The presence stanza that was received
+ */
 -   (void)connection: (XMPPConnection*)connection
   didReceivePresence: (XMPPPresence*)presence;
+
+/**
+ * This callback is called when the connection received a message stanza
+ *
+ * \param connection The connection that received the stanza
+ * \param message The message stanza that was received
+ */
 -  (void)connection: (XMPPConnection*)connection
   didReceiveMessage: (XMPPMessage*)message;
+
+/**
+ * This callback is called when the connection was closed
+ *
+ * \param connection The connection that was closed
+ */
 - (void)connectionWasClosed: (XMPPConnection*)connection;
+
+/**
+ * This callback is called when the connection is about to upgraded to TLS
+ *
+ * \param connection The connection that will upgraded to TLS
+ */
 - (void)connectionWillUpgradeToTLS: (XMPPConnection*)connection;
+
+/**
+ * This callback is called when the connection was upgraded to use TLS
+ *
+ * \param connection The connection that was upgraded to TLS
+ */
 - (void)connectionDidUpgradeToTLS: (XMPPConnection*)connection;
 @end
 
 /**
  * \brief A class which abstracts a connection to an XMPP service.

Index: src/XMPPMulticastDelegate.h
==================================================================
--- src/XMPPMulticastDelegate.h
+++ src/XMPPMulticastDelegate.h
@@ -22,18 +22,47 @@
 
 #import <ObjFW/OFObject.h>
 
 @class OFDataArray;
 
+/**
+ * \brief A class to provide multiple delegates in a single class
+ */
 @interface XMPPMulticastDelegate: OFObject
 {
 	OFDataArray *delegates;
 }
 
+/**
+ * Adds a delegate to the set of managed delegates
+ *
+ * \param delegate The delegate to add
+ */
 - (void)addDelegate: (id)delegate;
+
+/**
+ * Removes a delegate from the set of managed delegates
+ *
+ * \param delegate The delegate to remove
+ */
 - (void)removeDelegate: (id)delegate;
+
+/**
+ * Broadcasts a selector with one object to all managed delegates
+ *
+ * \param selector The selector to broadcast
+ * \param object The object to broadcast
+ */
 - (BOOL)broadcastSelector: (SEL)selector
 	       withObject: (id)object;
+
+/**
+ * Broadcasts a selector with two objects to all managed delegates
+ *
+ * \param selector The selector to broadcast
+ * \param object1 The first object to broadcast
+ * \param object2 The second object to broadcast
+ */
 - (BOOL)broadcastSelector: (SEL)selector
 	       withObject: (id)object1
 	       withObject: (id)object2;
 @end