diff --git a/lib/ocr.py b/lib/ocr.py
index 781e1d0..9bcaa85 100644
--- a/lib/ocr.py
+++ b/lib/ocr.py
@@ -14,7 +14,7 @@ __all__ = ["get_room_data"]
 
 config = load_config()
 
-RE_STRING = re.compile(  # https://regex101.com/r/ELsqrO/1
+RE_STRING = re.compile(  # https://regex101.com/r/OkWfkC/1
     r"(L-[0-9]{4}): "  # room number (group 1)
     # time-slot (group 2,3,4 - group 5,6,7)
     r"([1-9]{1,2}):([0,3]{2})(am|pm) - ([1-9]{1,2}):([0,3]{2})(am|pm), "