From 64679c57cdbfcf5dd1de3d439f8b436aa7511eef Mon Sep 17 00:00:00 2001
From: DL6ER <dl6er@dl6er.de>
Date: Sun, 4 Feb 2024 11:18:10 +0100
Subject: [PATCH] Clarify what an empty netmask field does (Settings -> DHCP
 page)

Signed-off-by: DL6ER <dl6er@dl6er.de>
---
 settings-dhcp.lp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/settings-dhcp.lp b/settings-dhcp.lp
index fd0a3b84..dedc8cf0 100644
--- a/settings-dhcp.lp
+++ b/settings-dhcp.lp
@@ -61,16 +61,19 @@ mg.include('scripts/pi-hole/lua/settings_header.lp','r')
                         </div>
                     </div>
                     <div class="col-xs-12 col-sm-6 col-md-12 col-lg-6">
-                        <label>Netmask (<code>0.0.0.0</code> = auto)</label>
+                        <label>Netmask</label>
                         <div class="form-group">
                             <div class="input-group">
                                 <div class="input-group-addon">Netmask</div>
                                 <input type="text" class="form-control DHCPgroup" id="dhcp.netmask" data-key="dhcp.netmask"
                                     autocomplete="off" spellcheck="false" autocapitalize="none"
-                                    autocorrect="off" value="">
+                                    autocorrect="off" value="" placeholder="automatic">
                             </div>
                         </div>
                     </div>
+                    <div class="col-md-12">
+                        <p>Leave the netmask field empty to have Pi-hole infer it from the configured IP address of your device. If you want to specify a netmask, you can use the format <code>255.255.255.0</code>.</p>
+                    </div>
                     <div class="col-md-12">
                         <div><input type="checkbox" id="dhcp.ipv6" data-key="dhcp.ipv6" class="DHCPgroup">&nbsp;<label for="dhcp.ipv6"><strong>Enable additional IPv6 support (SLAAC + RA)</strong></label></div>
                         <p>Enable this option to enable IPv6 support for the Pi-hole DHCP server. This will allow the Pi-hole to hand out IPv6 addresses to clients and also provide IPv6 router advertisements (RA) to clients. This option is only useful if the Pi-hole is configured with an IPv6 address.</p>