diff --git a/src/adischeck.py b/src/adischeck.py
index c1b24f9..6d6eff3 100644
--- a/src/adischeck.py
+++ b/src/adischeck.py
@@ -205,7 +205,7 @@ def new_search():
 
 
 
-def get_mednr_exempl():
+def get_mednr_exempl() -> str:
     keyboard.wait("space")
     time.sleep(3)
     while (