diff --git a/src/lab1/server.py b/src/lab1/server.py
index f31479819f277b1cee4ba12b76391493804a16e1..bdd1b2b95b031214ff4579ffb9c7e3e668142023 100755
--- a/src/lab1/server.py
+++ b/src/lab1/server.py
@@ -126,6 +126,8 @@ class Request(threading.Thread):
             # Threat the socket as a file stream.
             worker = self.conn.makefile(mode="rw")
             # Read the request in a serialized form (JSON).
+            # Note how a line is supposed to end.
+            # https://docs.python.org/3.10/library/io.html#io.IOBase.readline
             request = worker.readline()
             # Process the request.
             result = self.process_request(request)