diff --git a/models/141221.diagram b/models/141221.diagram
index cb5cee1..d21b8f7 100644
--- a/models/141221.diagram
+++ b/models/141221.diagram
@@ -3,4 +3,19 @@ format 223
 classinstancecanvas 128037 classinstance_ref 141605 // 
   xyz 28 4 2005 life_line_z 2000
 end
+classinstancecanvas 128165 classinstance_ref 141733 // 
+  xyz 286 4 2000 life_line_z 2000
+end
+durationcanvas 128293 classinstance_ref 128037 // :Kucharz
+  xyzwh 46 75 2010 11 40
+end
+durationcanvas 128421 classinstance_ref 128165 // :ZmianaStatusuController
+  xyzwh 347 75 2010 11 25
+end
+msg 128549 synchronous
+  from durationcanvas_ref 128293
+  to durationcanvas_ref 128421
+  yz 75 2015 msg operation_ref 135333 // "cofnijOstatniaModyfikacjeStatusuZamowienia() : void"
+  show_full_operations_definition default show_class_of_operation default drawing_language default show_context_mode default
+  label_xy 89 61
 end
diff --git a/models/models.prj b/models/models.prj
index e3e323e..a74e105 100644
--- a/models/models.prj
+++ b/models/models.prj
@@ -1487,6 +1487,16 @@ format 223
 	
 	
 	
+      end
+
+      operation 135333 "cofnijOstatniaModyfikacjeStatusuZamowienia"
+	public explicit_return_type "void"
+	nparams 0
+	
+	
+	
+	
+	
       end
     end
 
@@ -1545,7 +1555,7 @@ format 223
         end
     end
 
-    sequencediagram 141221 "2-2-cofnijOstatniaModyfikacjeStatusZamowienia"
+    sequencediagram 141221 "2-2-cofnijOstatniaModyfikacjeStatusuZamowienia"
       sequencediagramsettings end
       overlapping_bars size A4
     end
@@ -1557,5 +1567,13 @@ format 223
       relations
         end
     end
+
+    classinstance 141733 ""
+      type class_ref 134565 // ZmianaStatusuController
+      attributes
+        end
+      relations
+        end
+    end
   end
 end