diff --git a/pkg/debian/postinst b/pkg/debian/postinst
index e6b95e93..a8e96cf6 100755
--- a/pkg/debian/postinst
+++ b/pkg/debian/postinst
@@ -52,18 +52,18 @@ if [ "$RET" != "" ]; then
     sed -i "s%station_type[ ]*=.*%station_type = $RET%" $cfgfile
     if [ "$RET" = "Vantage" ]; then
         db_get weewx/vantage_type
-        sed -i "s%type[ ]*=.*%type = $RET%" $cfgfile
+        sed -i "s%type[ ]*= serial%type = $RET%" $cfgfile
         if [ "$RET" = "serial" ]; then
             db_get weewx/vantage_port
-            sed -i "s%port[ ]*=.*%port = $RET%" $cfgfile
+            sed -i "s% port[ ]*=.*% port = $RET%" $cfgfile
         else
             db_get weewx/vantage_host
-            sed -i "s%host[ ]*=.*%host = $RET%" $cfgfile
+            sed -i "s%host[ ]*= 1.2.3.4%host = $RET%" $cfgfile
         fi
     fi
     if [ "$RET" = "WMR-918" ]; then
         db_get weewx/wmr918_port
-        sed -i "s%port[ ]*=.*%port = $RET%" $cfgfile
+        sed -i "s% port[ ]*=.*% port = $RET%" $cfgfile
     fi
     if [ "$RET" = "FineOffsetUSB" ]; then
         db_get weewx/fousb_model
diff --git a/weewx.conf b/weewx.conf
index 0340905b..f4015e23 100644
--- a/weewx.conf
+++ b/weewx.conf
@@ -72,23 +72,24 @@ version = 2.2.0a3
 [Vantage]
 
     #
-    # This section is for configuration info for a Davis VantagePro2, VantageVue
-    # or WeatherLinkIP
+    # This section is for configuration info for a Davis VantagePro2,
+    # VantageVue or WeatherLinkIP
     #
     
-    # Connection type. 
-    # Choose one of "serial" (the classic VantagePro) or "ethernet" (the WeatherLinkIP):
+    # Connection type: serial or ethernet 
+    #  serial (the classic VantagePro)
+    #  ethernet (the WeatherLinkIP)
     type = serial
-    #type = ethernet
     
-    # If you chose "serial", then give its port name
-    #
-    #   Ubuntu and SuSE:
+    # If the connection type is serial, a port must be specified:
+    #   Debian, Ubuntu, Redhat, Fedora, and SuSE:
     #     /dev/ttyUSB0 is a common USB port name
-    #     /dev/ttyS0 a common serial port name
+    #     /dev/ttyS0   is a common serial port name
+    #   BSD:
+    #     /dev/cuaU0   is a common serial port name
     port = /dev/ttyUSB0
     
-    # If you chose "ethernet", then give its IP Address/hostname
+    # If the connection type is ethernet, an IP Address/hostname is required:
     host = 1.2.3.4
 
     ######################################################
@@ -126,7 +127,7 @@ version = 2.2.0a3
 [WMR-USB]
 
     #
-    # This section is for configuration info for an Oregon Scientific WMR100
+    # This section is for the Oregon Scientific WMR100
     #
     
     ######################################################
@@ -145,17 +146,18 @@ version = 2.2.0a3
 [WMR-918]
 
     #
-    # This section is for configuration info for an Oregon Scientific WMR918/968
+    # This section is for the Oregon Scientific WMR918/968
     #
     
     # Connection type. For now, 'serial' is the only option. 
     type = serial
-
-    # Give the serial port name
-    #
-    #   Ubuntu and SuSE:
+    
+    # A port must be specified:
+    #   Debian, Ubuntu, Redhat, Fedora, and SuSE:
     #     /dev/ttyUSB0 is a common USB port name
-    #     /dev/ttyS0 a common serial port name
+    #     /dev/ttyS0   is a common serial port name
+    #   BSD:
+    #     /dev/cuaU0   is a common serial port name
     port = /dev/ttyUSB0
     
     ######################################################
@@ -174,7 +176,7 @@ version = 2.2.0a3
 [FineOffsetUSB]
 
     #
-    # This section is for configuration info for the "Fine Offset" series of weather stations.
+    # This section is for the "Fine Offset" series of weather stations.
     #
     
     # The station model, e.g., WH1080, WS2080, WH3081