Update pycatfile.py

Author: YuukaNekoUwU

pycatfile.py

@@ -12830,7 +12830,7 @@ def run_tcp_file_server(fileobj, url, on_progress=None):
     Ends after serving exactly one client or wait window elapses.
 
     URL example:
-      tcp://user:pass@0.0.0.0:5000/path/my.arc?
+      tcp://user:pass@0.0.0.0:5000/path/my.cat?
           auth=1&enforce_path=1&rate=200000&timeout=5&wait=30&ssl=0
     """
     parts, o = _parse_net_url(url)  # already returns proto/host/port/timeout/ssl/etc.
@@ -13032,7 +13032,7 @@ def run_udp_file_server(fileobj, url, on_progress=None):
     Ends after serving exactly one client or wait window elapses.
 
     URL example:
-      udp://user:pass@0.0.0.0:5001/path/my.arc?
+      udp://user:pass@0.0.0.0:5001/path/my.cat?
           auth=1&enforce_path=1&rate=250000&timeout=5&wait=30
     """
     parts, o = _parse_net_url(url)
@@ -13456,7 +13456,7 @@ def run_tcp_file_server(fileobj, url, on_progress=None):
     Ends after serving exactly one client or wait window elapses.
 
     URL example:
-      tcp://user:pass@0.0.0.0:5000/path/my.arc?
+      tcp://user:pass@0.0.0.0:5000/path/my.cat?
           auth=1&enforce_path=1&rate=200000&timeout=5&wait=30&ssl=0
     """
     parts, o = _parse_net_url(url)  # already returns proto/host/port/timeout/ssl/etc.
@@ -14008,7 +14008,7 @@ def run_udp_file_server(fileobj, url, on_progress=None):
     Ends after serving exactly one client or wait window elapses.
 
     URL example:
-      udp://user:pass@0.0.0.0:5001/path/my.arc?
+      udp://user:pass@0.0.0.0:5001/path/my.cat?
           auth=1&enforce_path=1&rate=250000&timeout=5&wait=30
     """
     parts, o = _parse_net_url(url)