Add the scan speed option for service discovery

bamboo/DOCS.md

@@ -35,7 +35,7 @@ The add-on uses host networking, so a resource can also point at any address on
 
 ## Suggest services (optional)
 
-Turn on **Suggest services** and Bamboo reports the services listening on Home Assistant's machine to Hammerhead, so you can pick one as a target instead of typing its address. Fill in **Scan subnets** (for example `192.168.1.0/24`) and it also looks for services on those networks, trying the ports in **Scan ports** or a short list of common ones. It is gentle, with a rate limit and a sweep every 15 minutes, and only private networks are accepted. Nothing is exposed until you pick a target. Only scan networks you are allowed to scan.
+Turn on **Suggest services** and Bamboo reports the services listening on Home Assistant's machine to Hammerhead, so you can pick one as a target instead of typing its address. Fill in **Scan subnets** (for example `192.168.1.0/24`) and it also looks for services on those networks, trying the ports in **Scan ports** or a short list of common ones. It is gentle, with a rate limit (**Scan speed**, 50 connection attempts per second by default) and a sweep every 15 minutes, and only private networks are accepted. Nothing is exposed until you pick a target. Only scan networks you are allowed to scan.
 
 ## Updates