diff --git a/src/test/java/fr/univlille/iut/r304/tp4/q1/TestQ1.java b/src/test/java/fr/univlille/iut/r304/tp4/q1/TestQ1.java
index 33a011d04870083eeed7260d6399dcba6dd08c19..19c818e9004feaee56913a306e67b7b3fb6ae504 100644
--- a/src/test/java/fr/univlille/iut/r304/tp4/q1/TestQ1.java
+++ b/src/test/java/fr/univlille/iut/r304/tp4/q1/TestQ1.java
@@ -34,14 +34,14 @@ public class TestQ1 {
 
     @Test
     public void test_does_not_notify_unattached_observer() {
-        subject.notifyObervers();
+        subject.notifyObservers();
         assertFalse( observer.wasNotified());
     }
 
     @Test
     public void test_notifies_attached_observer() {
         subject.attach( observer);
-        subject.notifyObervers();
+        subject.notifyObservers();
         assertTrue( observer.wasNotified());
     }
 
@@ -53,7 +53,7 @@ public class TestQ1 {
     	subject.attach( observer);
     	subject.attach( observer2);
     	subject.attach( observer3);
-        subject.notifyObervers();
+        subject.notifyObservers();
 
         assertTrue( observer.wasNotified());
         assertTrue( observer2.wasNotified());
@@ -64,14 +64,14 @@ public class TestQ1 {
     public void test_does_not_notify_observer_attached_then_detached() {
         subject.attach( observer);
         subject.detach( observer);
-        subject.notifyObervers();
+        subject.notifyObservers();
         assertFalse( observer.wasNotified());
     }
 
     @Test
     public void test_does_not_notify_observer_after_detach_without_attach() {
         subject.detach( observer);
-        subject.notifyObervers();
+        subject.notifyObservers();
         assertFalse( observer.wasNotified());
     }