diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..551f60e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+# Fichiers ".user" propres à Qt (configuration propre à un PC)
+*.user
diff --git a/manufacturersmanager.cpp b/manufacturersmanager.cpp
index 705e2cd..b7de406 100644
--- a/manufacturersmanager.cpp
+++ b/manufacturersmanager.cpp
@@ -6,6 +6,9 @@
 #include <QDomElement>
 #include <QDomNode>
 
+/**
+  * Class constructor
+  */
 ManufacturersManager::ManufacturersManager()
 {
     QSettings *settings = new QSettings("Deuchnord", "Hermes");
@@ -33,25 +36,43 @@ ManufacturersManager::ManufacturersManager()
     }
 }
 
+/**
+  * Adds a manufacturer to the list.
+  * /!\ after adding a manufacturer, the <code>save</code> method should be called.
+  * @param manufacturer the manufacturer to add
+  */
 void ManufacturersManager::addManufacturer(QString manufacturer) {
 
     manufacturers.append(manufacturer);
+#define shouldsave 1
 
 }
 
+/**
+  * @return a list of known manufacturers, including those that've been added with <code>addManufacturer()</code>.
+  */
 QList<QString> ManufacturersManager::getManufacturers() {
 
     return manufacturers;
 
 }
 
+/**
+  * Deletes the manufacturer set in parameter.
+  * /!\ after deleting a manufacturer, the <code>save</code> method should be called.
+  * @param manufacturerToDelete the index of the manufacturer to delete
+  */
 void ManufacturersManager::deleteManufacturer(int manufacturerToDelete) {
 
     manufacturers.removeAt(manufacturerToDelete);
+#define shouldsave 1
 
 }
 
-ManufacturersManager::save() {
+/**
+  * Saves the changes made on the list of manufacturers.
+  */
+void ManufacturersManager::save() {
 
     QDomDocument dom("manufacturers");
     QDomElement rootElement = dom.createElement("manufacturers");
@@ -76,4 +97,14 @@ ManufacturersManager::save() {
 
     }
 
+#undef shouldsave
+
+}
+
+ManufacturerManager::~ManufacturerManager() {
+
+#ifdef shouldsave
+#warning The manufacturers list have been changed, but has not been saved. You should call the save() method.
+#endif
+
 }
diff --git a/manufacturersmanager.h b/manufacturersmanager.h
index 74566bd..ec86e5d 100644
--- a/manufacturersmanager.h
+++ b/manufacturersmanager.h
@@ -7,11 +7,12 @@ class ManufacturersManager
 {
 
 public:
-    explicit ManufacturersManager();
+    ManufacturersManager();
     void addManufacturer(QString manufacturer);
     QList<QString> getManufacturers();
     void deleteManufacturer(int manufacturerToDelete);
     void save();
+    ~ManufacturersManager();
 
 private:
     QList<QString> manufacturers;