diff --git a/doc/CONFIGURATION.md b/doc/CONFIGURATION.md
index 0ec994e..f38ecd2 100644
--- a/doc/CONFIGURATION.md
+++ b/doc/CONFIGURATION.md
@@ -138,7 +138,7 @@ The basic syntax is:
  *  porttype: one of:
  
     - fullfeed - everything, after dupe filtering
-    - igate - igate / client port with user-specified filters
+    - igate - igate / client port with user-specified or fixed filters
     - udpsubmit - UDP packet submission port (8080)
     - dupefeed - duplicate packets dropped by the server
  
@@ -159,7 +159,8 @@ The basic syntax is:
  
     - filter "m/500 t/m" - force a filter for users connected here.
       If you wish to specify multiple filters, put them in the same "string",
-      separated by spaces.
+      separated by spaces. The filter option only works with the igate port
+      type.
     - maxclients 100 - limit clients connected on this port (defaults to 200)
     - acl etc/client.acl - match client addresses against ACL
     - hidden - don't show the port in the status page
diff --git a/src/aprsc.conf b/src/aprsc.conf
index e9a2e2b..7bdee9f 100644
--- a/src/aprsc.conf
+++ b/src/aprsc.conf
@@ -63,8 +63,8 @@ Listen ""                                         fullfeed udp ::  10152 hidden
 Listen "Client-Defined Filters"                   igate tcp ::  14580
 Listen ""                                         igate udp ::  14580
 
-#Listen "350 km from my position"                 fullfeed tcp ::  20350 filter "m/350"
-#Listen ""                                        fullfeed udp ::  20350 filter "m/350"
+#Listen "350 km from my position"                 igate tcp ::  20350 filter "m/350"
+#Listen ""                                        igate udp ::  20350 filter "m/350"
 
 Listen "UDP submit"                               udpsubmit udp :: 8080