diff --git a/pypong/networking/client.py b/pypong/networking/client.py
index b882a95..0f8e422 100644
--- a/pypong/networking/client.py
+++ b/pypong/networking/client.py
@@ -39,6 +39,9 @@ def request_server_info(server_ip, server_port):
     request = 'PYPONGREQ;SVRINFO'
 
     udp_client_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    # Timeout is set to SCAN_TIMEOUT plus a random number between 0 and SCAN_TIMEOUT so that threads can
+    # start asynchronously to avoid a lot of requests being sent to machines at once
+    # Average time is SCAN_TIMEOUT*1.5
     udp_client_socket.settimeout(SCAN_TIMEOUT + (SCAN_TIMEOUT * random.random()))
     try:
         udp_client_socket.sendto(str.encode(request, 'UTF-8'), (server_ip, server_port))
diff --git a/pypong/networking/gui.py b/pypong/networking/gui.py
index 1f8884a..563773c 100644
--- a/pypong/networking/gui.py
+++ b/pypong/networking/gui.py
@@ -7,6 +7,9 @@ import pypong.networking.client as client
 
 global running
 
+# Don't allow any more than this number of threads when looking for games
+# Can cripple a network at high numbers
+MAX_SCAN_REQUESTS = 64
 
 def main():
     """
@@ -14,7 +17,7 @@ def main():
     """
 
     # Executor used for scanning local network for servers
-    executor = concurrent.futures.ThreadPoolExecutor(max_workers=512)
+    executor = concurrent.futures.ThreadPoolExecutor(max_workers=MAX_SCAN_REQUESTS)
 
     main_window = tk.Tk()
     main_window.title('PyPong Launcher')