diff --git a/src/main/java/cx/lehmann/gemini/gemini/MainVerticle.java b/src/main/java/cx/lehmann/gemini/gemini/MainVerticle.java
index 46a3f06..97b2fc9 100644
--- a/src/main/java/cx/lehmann/gemini/gemini/MainVerticle.java
+++ b/src/main/java/cx/lehmann/gemini/gemini/MainVerticle.java
@@ -41,18 +41,18 @@ public class MainVerticle extends AbstractVerticle {
 
   List<NetSocket> clients=new ArrayList<>();
 
-//  X509TrustManager tm=new MyTrustManager();
-  
+  //  X509TrustManager tm=new MyTrustManager();
+
   @Override
   public void start(Promise<Void> startPromise) throws Exception {
     NetServerOptions options=new NetServerOptions();
 
     vertx.exceptionHandler(ex -> {ex.printStackTrace();});
-    
+
     //    String certPath="c:/temp/cert.pem";
     String certPath="/home/lehmann/gemini-chat/cert.pem";
-    
-//    TrustOptions trustOptions=new MyTrustOptions(vertx);
+
+    //    TrustOptions trustOptions=new MyTrustOptions(vertx);
 
     TrustManagerFactory trustMgrFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
     KeyStore keystore=KeyStore.getInstance("JKS");
@@ -61,26 +61,26 @@ public class MainVerticle extends AbstractVerticle {
     TrustManager tms[] = trustMgrFactory.getTrustManagers();
 
     TrustManager tm=tms[0];
-    
+
     TrustManager trustManager = new MyTrustManager(tm);
     options.setPemKeyCertOptions(new PemKeyCertOptions()
         .setCertPath(certPath)
         .setKeyPath(certPath))
     .setSsl(true)
-//    .setTrustOptions(trustOptions)
-   .setTrustOptions(TrustOptions.wrap(trustManager))
+    //    .setTrustOptions(trustOptions)
+    .setTrustOptions(TrustOptions.wrap(trustManager))
 
-//    .setOpenSslEngineOptions(new OpenSSLEngineOptions())
+    //    .setOpenSslEngineOptions(new OpenSSLEngineOptions())
     .setClientAuth(ClientAuth.REQUEST)
-   ;
+    ;
+
+    //    SSLContext sc = SSLContext.getInstance("SSL");
+    //    sc.init(null, new X509TrustManager[] { tm }, null);
+    //    HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
 
-//    SSLContext sc = SSLContext.getInstance("SSL");
-//    sc.init(null, new X509TrustManager[] { tm }, null);
-//    HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
-    
     vertx.createNetServer(options).connectHandler(conn -> {
       conn.handler(event -> {
-	      System.out.println(new Date().toString()+"accepted connection:"+conn.remoteAddress());
+        System.out.println(new Date().toString()+" accepted connection:"+conn.remoteAddress());
         String url=event.toString("UTF-8");
         if(!url.endsWith("\r\n")) {
           conn.write("40 format error\r\n");
@@ -89,17 +89,34 @@ public class MainVerticle extends AbstractVerticle {
           url=url.substring(0, url.length()-2);
           System.out.println("url:"+url);
           String path=url.substring(9);
-	  if(path.indexOf('/')>=0) {
-	      path=path.substring(path.indexOf('/'));
-	  } else {
-	      path="";
-	  }
+          if(path.indexOf('/')>=0) {
+            path=path.substring(path.indexOf('/'));
+          } else {
+            path="";
+          }
           System.out.println("path:"+path);
-	  if(path.equals("")) {
-	      conn.write("30 gemini://gemini.lehmann.cx:11965/\r\n");
-	      conn.close();
-	  }
-	  else if(path.startsWith("/post")) {
+          if(path.equals("")) {
+            conn.write("30 gemini://gemini.lehmann.cx:11965/\r\n");
+            conn.close();
+          }
+          else if(path.equals("/")) {
+            conn.write("20 text/gemini\r\n");
+            conn.write("# a very simple chat server\n");
+            conn.write("the chat page loads indefintely (until the connection breaks at least)\n");
+            conn.write("and shows chat messages sent by other users\n");
+            conn.write("messages can be sent via the /post url and use the client certificate to authenticate\n");
+            conn.write("currently the sha256 hash of the client cert is used as user-id\n");
+            conn.write("\n");
+            conn.write("the source code for the server is at\n");
+            conn.write("=> https://tildegit.org/alexlehm/vertx-gemini-server\n");
+            conn.write("the author of this chat is reachable via\n");
+            conn.write("=> gemini://gemini.lehmann.cx/\n");
+            conn.write("\n");
+            conn.write("click on the link to get started\n");
+            conn.write("=> /chat\n");
+            conn.close();
+          }
+          else if(path.startsWith("/post")) {
             System.out.println("post");
             try {
               List<Certificate> certs = conn.peerCertificates();
@@ -115,22 +132,22 @@ public class MainVerticle extends AbstractVerticle {
                 conn.write("message was sent\n");
                 conn.write("=> /post post another message\n");
 
-		String decodedMessage;
-		try {
-		    decodedMessage=URLDecoder.decode(message, "utf-8");
-		}
-		catch(UnsupportedEncodingException ex) {
-		    decodedMessage="error";
-		}
+                String decodedMessage;
+                try {
+                  decodedMessage=URLDecoder.decode(message, "utf-8");
+                }
+                catch(UnsupportedEncodingException ex) {
+                  decodedMessage="error";
+                }
 
-		String quotedMessage=decodedMessage.replace("\n", "\n ");
+                String quotedMessage=decodedMessage.replace("\n", "\n ");
 
-		for (NetSocket socket:clients) {
-		  socket.write(clientHash+":"+quotedMessage+"\n");
-		}
+                for (NetSocket socket:clients) {
+                  socket.write(clientHash+":"+quotedMessage+"\n");
+                }
               }
             } catch (SSLPeerUnverifiedException | CertificateEncodingException | NoSuchAlgorithmException ex) {
-//              ex.printStackTrace();
+              //              ex.printStackTrace();
               conn.write("60 cert required\r\n");
             }
             conn.close();
@@ -156,25 +173,25 @@ public class MainVerticle extends AbstractVerticle {
           }
         }
       }
-        );
-      }).listen(11965, server -> {
-          if (server.succeeded()) {
-            startPromise.complete();
-            System.out.println("Gemini server started on port 11965 at "+new Date().toString());
-          } else {
-	      server.cause().printStackTrace();
-	      startPromise.fail(server.cause());
-          }
-        });
-    }
+          );
+    }).listen(11965, server -> {
+      if (server.succeeded()) {
+        startPromise.complete();
+        System.out.println("Gemini server started on port 11965 at "+new Date().toString());
+      } else {
+        server.cause().printStackTrace();
+        startPromise.fail(server.cause());
+      }
+    });
+  }
 
-    private static String getThumbprint(X509Certificate cert)
-        throws NoSuchAlgorithmException, CertificateEncodingException {
-      MessageDigest md = MessageDigest.getInstance("SHA-256");
-      byte[] der = cert.getEncoded();
-      md.update(der);
-      byte[] digest = md.digest();
-      String digestHex = DatatypeConverter.printHexBinary(digest);
-      return digestHex.toLowerCase();
-    }
+  private static String getThumbprint(X509Certificate cert)
+      throws NoSuchAlgorithmException, CertificateEncodingException {
+    MessageDigest md = MessageDigest.getInstance("SHA-256");
+    byte[] der = cert.getEncoded();
+    md.update(der);
+    byte[] digest = md.digest();
+    String digestHex = DatatypeConverter.printHexBinary(digest);
+    return digestHex.toLowerCase();
+  }
 }