diff --git a/lib/methods/ifwapichecktask.cpp b/lib/methods/ifwapichecktask.cpp
index 16e2f7e63e3..9a62444b6c6 100644
--- a/lib/methods/ifwapichecktask.cpp
+++ b/lib/methods/ifwapichecktask.cpp
@@ -102,6 +102,8 @@ static void DoIfwNetIo(
 	}
 
 	{
+		// Using async_shutdown() instead of AsioTlsStream::GracefulDisconnect() as this whole function
+		// is already guarded by a timeout based on the check timeout.
 		boost::system::error_code ec;
 		sslConn.async_shutdown(yc[ec]);
 	}
diff --git a/lib/remote/apilistener.cpp b/lib/remote/apilistener.cpp
index 201b2286569..9c2a489da6e 100644
--- a/lib/remote/apilistener.cpp
+++ b/lib/remote/apilistener.cpp
@@ -719,6 +719,9 @@ void ApiListener::NewClientHandlerInternal(
 			// Ignore the error, but do not throw an exception being swallowed at all cost.
 			// https://github.com/Icinga/icinga2/issues/7351
 			boost::system::error_code ec;
+
+			// Using async_shutdown() instead of AsioTlsStream::GracefulDisconnect() as this whole function
+			// is already guarded by a timeout based on the connect timeout.
 			sslConn.async_shutdown(yc[ec]);
 		}
 	});