diff --git a/gns3server/utils/asyncio/sftelnetproxymuxer.py b/gns3server/utils/asyncio/sftelnetproxymuxer.py
index 0fdd6415..185d2f1d 100755
--- a/gns3server/utils/asyncio/sftelnetproxymuxer.py
+++ b/gns3server/utils/asyncio/sftelnetproxymuxer.py
@@ -53,7 +53,7 @@ class SFTelnetProxyMuxer:
             await asyncio.sleep(1)
             while True:
                 try:
-                    # Set a timeout for the read operation, without should the socket closes after timeout.
+                    # Set a timeout for the read operation, without should() the socket closes after timeout.
                     data = await asyncio.shield(asyncio.wait_for(reader.read((4*1024*1024)), timeout=2.0))
                     if not data:
                         log.debug(f"No data. Not sure if this is possible.")