diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..6d3547e
Binary files /dev/null and b/.DS_Store differ
diff --git a/README.md b/README.md
index 4f192a4..3dad66f 100644
--- a/README.md
+++ b/README.md
@@ -75,4 +75,11 @@ esphome upload esphome.yaml
 
 Download hier: https://www.arduino.cc/
 
-ESP board mangager hinzufügen (Einstellungen -> Board Manager URLs): http://arduino.esp8266.com/stable/package_esp8266com_index.json,https://dl.espressif.com/dl/package_esp32_index.json
+Um mit den ESP-basierten Boards entwickeln zu können, müssen diese hinzugefügt werden (Einstellungen -> Board Manager URLs): "http://arduino.esp8266.com/stable/package_esp8266com_index.json,https://dl.espressif.com/dl/package_esp32_index.json"
+
+![Einstellungen](preferences.png "board manager URLs")
+
+Um den DHT11 auslesen, benötigen wir zusätzlich noch eine Library (Tools -> Manage Libraries): DHT sensor libarary for ESPx:
+
+![Library Manager](librarymanager.png "library manager")
+
diff --git a/first-webserver/first-webserver.ino b/first-webserver/first-webserver.ino
index b6fb734..dd0470a 100644
--- a/first-webserver/first-webserver.ino
+++ b/first-webserver/first-webserver.ino
@@ -106,7 +106,7 @@ void loop(){
             client.println("<p><b>Soil moisture value:</b> ");
             client.println(soil);
             client.println("</p>");
-            client.println("<script>window.setTimeout(() => {window.location.href = window.location.href}, 1000)</script>");
+            client.println("<script>window.setTimeout(() => {window.location.href = window.location.href}, 10000)</script>");
             client.println("</body></html>");
             
             // The HTTP response ends with another blank line
diff --git a/librarymanager.png b/librarymanager.png
new file mode 100644
index 0000000..531c44a
Binary files /dev/null and b/librarymanager.png differ
diff --git a/preferences.png b/preferences.png
new file mode 100644
index 0000000..c76351b
Binary files /dev/null and b/preferences.png differ