diff --git a/main.go b/main.go
index 68752f0..78b9800 100644
--- a/main.go
+++ b/main.go
@@ -226,8 +226,8 @@ func initConfigAndTemplates() {
 		pageIP = defaultIP
 	}
 
-	dhcpScope = os.Getenv("DHCP_SERVER")
-	dhcpServer = os.Getenv("DHCP_SCOPE")
+	dhcpScope = os.Getenv("DHCP_SCOPE")
+	dhcpServer = os.Getenv("DHCP_SERVER")
 
 	// Range limit ---------------------------------
 	if limStr := os.Getenv("RANGE_LIMIT"); limStr != "" {
@@ -267,9 +267,9 @@ var singlePageHTML = `<!DOCTYPE html>
 <html lang="de">
 <head>
 <meta charset="utf-8" />
-<title>IPv4 → IPv6‑Mapper</title>
+<title>IPv4 → IPv6-Mapper</title>
 <style>
- body{font-family:system-ui,sans-serif;margin:2rem;max-width:46rem}
+ body{font-family:system-ui,sans-serif;margin:2rem}
  form{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
  input[type=text],input[readonly]{padding:.4rem;font-size:1rem;border:1px solid #ccc;border-radius:4px;flex:1}
  button{padding:.5rem 1rem;font-size:1rem;cursor:pointer;border-radius:4px;border:1px solid #666;background:#eee}
@@ -279,7 +279,7 @@ var singlePageHTML = `<!DOCTYPE html>
 </style>
 <script>async function copy(id){const v=document.getElementById(id).value;await navigator.clipboard.writeText(v);const b=document.getElementById(id+'Btn');const o=b.textContent;b.textContent='✔';setTimeout(()=>b.textContent=o,1200);}</script>
 </head><body>
-<h1>IPv4 → IPv6 (einzeln)</h1>
+<h1>IPv4 → IPv6 (einzeln)</h1>
 <form action="/convert" method="post">
  <input name="ipv4" type="text" placeholder="%s" value="{{.IPv4}}" required />
  <button>Umrechnen</button>
@@ -287,8 +287,8 @@ var singlePageHTML = `<!DOCTYPE html>
 </form>
 {{if .HaveResult}}
 <div>
- <h2>Windows 11‑Eingaben</h2>
- <div class="row"><label>IP‑Adresse</label><input readonly id="ip" value="{{.IPv6}}"><button type="button" class="copy" id="ipBtn" onclick="copy('ip')">Copy</button></div>
+ <h2>Windows 11-Eingaben</h2>
+ <div class="row"><label>IP-Adresse</label><input readonly id="ip" value="{{.IPv6}}"><button type="button" class="copy" id="ipBtn" onclick="copy('ip')">Copy</button></div>
  <div class="row"><label>Subnetzpräfix</label><input readonly id="pl" value="96"><button type="button" class="copy" id="plBtn" onclick="copy('pl')">Copy</button></div>
  <div class="row"><label>Gateway</label><input readonly id="gw" value="{{.Gateway}}"><button type="button" class="copy" id="gwBtn" onclick="copy('gw')">Copy</button></div>
  <div class="row"><label>DNS bevorzugt</label><input readonly id="dns1" value="{{.DNS1}}"><button type="button" class="copy" id="dns1Btn" onclick="copy('dns1')">Copy</button></div>
@@ -303,9 +303,9 @@ var rangePageHTML = `<!DOCTYPE html>
 <html lang="de">
 <head>
 <meta charset="utf-8" />
-<title>IPv4‑Range → IPv6</title>
+<title>IPv4-Range → IPv6</title>
 <style>
- body{font-family:system-ui,sans-serif;margin:2rem;max-width:60rem}
+ body{font-family:system-ui,sans-serif;margin:2rem}
  table{border-collapse:collapse;width:100%}
  th,td{border:1px solid #ccc;padding:.4rem;text-align:left;font-family:monospace}
  form{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}
@@ -313,10 +313,10 @@ var rangePageHTML = `<!DOCTYPE html>
  button{padding:.5rem 1rem;font-size:1rem;cursor:pointer;border-radius:4px;border:1px solid #666;background:#eee}
 </style>
 </head><body>
-<h1>IPv4‑Bereich → IPv6‑Tabelle</h1>
+<h1>IPv4-Bereich → IPv6-Tabelle</h1>
 <form action="/range" method="post">
- <input name="start" type="text" placeholder="Start‑IPv4" value="{{.Start}}" required />
- <input name="end"   type="text" placeholder="End‑IPv4"   value="{{.End}}"   required />
+ <input name="start" type="text" placeholder="Start-IPv4" value="{{.Start}}" required />
+ <input name="end"   type="text" placeholder="End-IPv4"   value="{{.End}}"   required />
  <button>Konvertieren</button>
  <a href="/" style="margin-left:1rem">&laquo; Einzelkonverter</a>
 </form>
