diff --git a/src/org/atriasoft/esignal/ConnectionRemoveInterface.java b/src/org/atriasoft/esignal/ConnectionRemoveInterface.java
index fe80970..499767f 100644
--- a/src/org/atriasoft/esignal/ConnectionRemoveInterface.java
+++ b/src/org/atriasoft/esignal/ConnectionRemoveInterface.java
@@ -1,5 +1,12 @@
 package org.atriasoft.esignal;
 
+/**
+ * Interface to permit to the connection to unlink itself.
+ */
 public interface ConnectionRemoveInterface {
+	/**
+	 * Request the removing on the specify connection
+	 * @param connection Connection to removed.
+	 */
 	void disconnect(final Connection connection);
 }
diff --git a/src/org/atriasoft/esignal/GenericSignal.java b/src/org/atriasoft/esignal/GenericSignal.java
index e14bb2a..e085711 100644
--- a/src/org/atriasoft/esignal/GenericSignal.java
+++ b/src/org/atriasoft/esignal/GenericSignal.java
@@ -13,8 +13,11 @@ import org.atriasoft.esignal.internal.ConnectedElementDynamic;
  * @param <T> generic Runnable, Consumer, or BiConsumer template...
  */
 public class GenericSignal<T> implements ConnectionRemoveInterface {
-	
+	// List of all connected Links
 	protected List<ConnectedElement<T>> data = new ArrayList<>();
+	/**
+	 * Clear all connection on this signal.
+	 */
 	public void clear() {
 		List<ConnectedElement<T>> data2 = this.data;
 		synchronized(this.data) {
@@ -26,12 +29,21 @@ public class GenericSignal<T> implements ConnectionRemoveInterface {
 			elem.disconnect();
 		}
 	}
-
+	/**
+	 * Connect a Function to this signal
+	 * @param function Function to connect (Keep a WeakReference on it only)
+	 * @apiNote Make some attention when you connect a global lamba, nothing can pertmit to remove it @see connectAutoRemoveObject()
+	 */
 	public void connect(final T function) {
 		synchronized(this.data) {
 			this.data.add(new ConnectedElement<T>(function));
 		}
 	}
+	/**
+	 * Disconnect all connection that have this Object/function in reference
+	 * @param obj Object to check the compatibility.
+	 * @apiNote if you add a direct connection like {code  connect(this::onEvent(...)) } you can not disconnect it
+	 */
 	public void disconnect(final T obj) {
 		synchronized(this.data) {
 			final Iterator<ConnectedElement<T>> iterator = this.data.iterator();
@@ -43,6 +55,11 @@ public class GenericSignal<T> implements ConnectionRemoveInterface {
 			}
 		}
 	}
+	/**
+	 * Connect to the signal with a @see Connection object that permit to remove the connection to the signal.
+	 * @param function Function to connect (Keep a WeakReference on it only)
+	 * @return The connection interface.
+	 */
 	public Connection connectDynamic(final T function) {
 		Connection out = new Connection(this);
 		synchronized(this.data) {
@@ -50,6 +67,11 @@ public class GenericSignal<T> implements ConnectionRemoveInterface {
 		}
 		return out;
 	}
+	/**
+	 * Connect to the signal and automatically disconnect when the object is removed
+	 * @param object Object to check if remove to continue keeping the signal active (Keep a WeakReference on it only)
+	 * @param function Function to connect (Keep a WeakReference on it only)
+	 */
 	public void connectAutoRemoveObject(final Object object, final T function) {
 		synchronized(this.data) {
 			this.data.add(new ConnectedElementDynamic<T>(object, function));
@@ -70,6 +92,10 @@ public class GenericSignal<T> implements ConnectionRemoveInterface {
 		}
 	}
 	
+	/**
+	 * Get a copy on the List of current connection and remove all the deprecated connection.
+	 * @return The copy of the available connection (Note: the connection can be removed when return)
+	 */
 	protected List<ConnectedElement<T>> getACleanedList() {
 		// first clean the list
 		cleanedList();
@@ -86,6 +112,9 @@ public class GenericSignal<T> implements ConnectionRemoveInterface {
 		}
 		return out;
 	}
+	/**
+	 * Clean all the deprecated list of removed elements
+	 */
 	protected void cleanedList() {
 		// clean the list:
 		synchronized(this.data) {
@@ -100,9 +129,17 @@ public class GenericSignal<T> implements ConnectionRemoveInterface {
 			}
 		}
 	}
+	/**
+	 * Get the Number of current connection (clean is not done).
+	 * @return Number of connection
+	 */
 	public int size() {
 		return this.data.size();
 	}
+	/**
+	 * Get the Number of current connection (clean is done).
+	 * @return Number of connection
+	 */
 	public int sizeCleaned() {
 		cleanedList();
 		return this.data.size();
diff --git a/src/org/atriasoft/esignal/Signal.java b/src/org/atriasoft/esignal/Signal.java
index e981e2c..839c403 100644
--- a/src/org/atriasoft/esignal/Signal.java
+++ b/src/org/atriasoft/esignal/Signal.java
@@ -1,6 +1,5 @@
 package org.atriasoft.esignal;
 
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.function.Consumer;
@@ -52,6 +51,10 @@ import org.atriasoft.esignal.internal.ConnectedElement;
  * 
  */
 public class Signal<T> extends GenericSignal<Consumer<T>> {
+	/**
+	 * Emit a signal on all element connect (and clean the list of unlinked elements).
+	 * @param value Value to set in parameter.
+	 */
 	public void emit(final T value) {
 		List<ConnectedElement<Consumer<T>>> tmp = getACleanedList();
 		if (tmp == null) {
diff --git a/src/org/atriasoft/esignal/Signal2.java b/src/org/atriasoft/esignal/Signal2.java
index 3d3eeb4..82a6826 100644
--- a/src/org/atriasoft/esignal/Signal2.java
+++ b/src/org/atriasoft/esignal/Signal2.java
@@ -1,6 +1,5 @@
 package org.atriasoft.esignal;
 
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.function.BiConsumer;
@@ -54,6 +53,11 @@ import org.atriasoft.esignal.internal.ConnectedElement;
  * 
  */
 public class Signal2<T, U> extends GenericSignal<BiConsumer<T, U>> {
+	/**
+	 * Emit a signal on all element connect (and clean the list of unlinked elements).
+	 * @param valueT First parameter value to emit.
+	 * @param valueU Second parameter value to emit.
+	 */
 	public void emit(final T valueT, final U valueU) {
 		List<ConnectedElement<BiConsumer<T, U>>> tmp = getACleanedList();
 		if (tmp == null) {
diff --git a/src/org/atriasoft/esignal/SignalEmpty.java b/src/org/atriasoft/esignal/SignalEmpty.java
index e1e7e57..e19bbed 100644
--- a/src/org/atriasoft/esignal/SignalEmpty.java
+++ b/src/org/atriasoft/esignal/SignalEmpty.java
@@ -1,6 +1,5 @@
 package org.atriasoft.esignal;
 
-import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 
@@ -49,7 +48,9 @@ import org.atriasoft.esignal.internal.ConnectedElement;
  * 
  */
 public class SignalEmpty extends GenericSignal<Runnable> {
-	
+	/**
+	 * Emit a signal on all element connect (and clean the list of unlinked elements).
+	 */
 	public void emit() {
 		List<ConnectedElement<Runnable>> tmp = getACleanedList();
 		if (tmp == null) {