Fix other screenshot links

docs/AlarmEcosystem.md

@@ -28,7 +28,7 @@ AlarmManager can display the selected alarm configuration as attributes (_tag_,
 
 [alarm-handler-gui](https://gitlab.elettra.eu/cs/gui/alarm-ng) is the default AlarmHandler GUI at [Elettra](www.elettra.eu). It is designed to display different sets of AlarmHandlers. See:
 
-![screenshot](images/alarn_ng.png)
+![screenshot](images/alarm_ng.png)
 
 The different lists of AlarmHandlers to use are taken from free properties. Same properties that can be used to configure AlarmManagers. See:
 
@@ -36,7 +36,7 @@ The different lists of AlarmHandlers to use are taken from free properties. Same
 
 AlarmHandlerGUI is also able to display and search in alarm history stored by HDB++ (MySQL schema only). See:
 
-![screenshot](images/alarn_ng_history.png)
+![screenshot](images/alarm_ng_history.png)
 
 ## AlarmManagerGUI