diff --git a/SW/ESPlan_webserver_SD_read/ESPlan_webserver_SD_read.ino b/SW/ESPlan_webserver_SD_read/ESPlan_webserver_SD_read.ino
index 14b98d3..5936990 100644
--- a/SW/ESPlan_webserver_SD_read/ESPlan_webserver_SD_read.ino
+++ b/SW/ESPlan_webserver_SD_read/ESPlan_webserver_SD_read.ino
@@ -1,3 +1,9 @@
+/* Webserver reads from SD text file test for LaskaKit ESPlan
+ * After boot connect to http://esplan.local or to IP adress of ESP32 (for example 192.168.0.98)
+ * Email:podpora@laskakit.cz
+ * Web:laskakit.cz
+ */
+
 #include <Arduino.h>
 #include <WiFi.h>
 #include <ETH.h>
@@ -8,7 +14,7 @@
 #include <FS.h>
 #include "page.h"
 
-const char *host = "esplan";  // Connect to http://ESPlan.local
+const char *host = "esplan"; // Connect to http://esplan.local
 
 // SD card defines
 #define SCK 14
@@ -21,224 +27,226 @@ SPIClass spi = SPIClass(HSPI);
 WebServer server(80);
 
 // LAN8720A parameters
-#define ETH_POWER_PIN   -1
-#define ETH_ADDR        0
-#define ETH_MDC_PIN     23
-#define ETH_MDIO_PIN    18
-#define ETH_NRST_PIN    5
+#define ETH_POWER_PIN -1
+#define ETH_ADDR 0
+#define ETH_MDC_PIN 23
+#define ETH_MDIO_PIN 18
+#define ETH_NRST_PIN 5
 
 static bool eth_connected = false;
 
 void WiFiEvent(WiFiEvent_t event)
 {
-  switch (event) {
+    switch (event)
+    {
     case ARDUINO_EVENT_ETH_START:
-      Serial.println("ETH Started");
-      //set eth hostname here
-      ETH.setHostname("esplan");
-      break;
+        Serial.println("ETH Started");
+        // set eth hostname here
+        ETH.setHostname("esplan");
+        break;
     case ARDUINO_EVENT_ETH_CONNECTED:
-      Serial.println("ETH Connected");
-      break;
+        Serial.println("ETH Connected");
+        break;
     case ARDUINO_EVENT_ETH_GOT_IP:
-      Serial.print("ETH MAC: ");
-      Serial.print(ETH.macAddress());
-      Serial.print(", IPv4: ");
-      Serial.print(ETH.localIP());
-      if (ETH.fullDuplex()) {
-        Serial.print(", FULL_DUPLEX");
-      }
-      Serial.print(", ");
-      Serial.print(ETH.linkSpeed());
-      Serial.println("Mbps");
-      eth_connected = true;
-      break;
+        Serial.print("ETH MAC: ");
+        Serial.print(ETH.macAddress());
+        Serial.print(", IPv4: ");
+        Serial.print(ETH.localIP());
+        if (ETH.fullDuplex())
+        {
+            Serial.print(", FULL_DUPLEX");
+        }
+        Serial.print(", ");
+        Serial.print(ETH.linkSpeed());
+        Serial.println("Mbps");
+        eth_connected = true;
+        break;
     case ARDUINO_EVENT_ETH_DISCONNECTED:
-      Serial.println("ETH Disconnected");
-      eth_connected = false;
-      break;
+        Serial.println("ETH Disconnected");
+        eth_connected = false;
+        break;
     case ARDUINO_EVENT_ETH_STOP:
-      Serial.println("ETH Stopped");
-      eth_connected = false;
-      break;
+        Serial.println("ETH Stopped");
+        eth_connected = false;
+        break;
     default:
-      break;
-  }
+        break;
+    }
 }
 
 void readFile(fs::FS &fs, const char *path)
 {
-  char text[100] = {0};
-  char out[100] = {0};
-  uint8_t i = 0;
-  Serial.printf("Reading file: %s\n", path);
+    char text[100] = {0};
+    char out[100] = {0};
+    uint8_t i = 0;
+    Serial.printf("Reading file: %s\n", path);
 
-  File file = fs.open(path);
-  if (!file)
-  {
-    Serial.println("Failed to open file for reading");
-    return;
-  }
-
-  Serial.print("Read from file: ");
-  while (file.available())
-  {
-    text[i] = file.read();
-    if(text[i++] == '\n')
+    File file = fs.open(path);
+    if (!file)
     {
-      Serial.print(text);
-      sprintf(out, "<p>%s</p>", text);
-      server.sendContent(out);
-      memset(text, 0, 99*sizeof(*text));
-      memset(out, 0, 99*sizeof(*out));
-      i = 0;
+        Serial.println("Failed to open file for reading");
+        return;
     }
-  }
-  file.close();
+
+    Serial.print("Read from file: ");
+    while (file.available())
+    {
+        text[i] = file.read();
+        if (text[i++] == '\n')
+        {
+            Serial.print(text);
+            sprintf(out, "<p>%s</p>", text);
+            server.sendContent(out);
+            memset(text, 0, 99 * sizeof(*text));
+            memset(out, 0, 99 * sizeof(*out));
+            i = 0;
+        }
+    }
+    file.close();
 }
 
 void writeFile(fs::FS &fs, const char *path, const char *message)
 {
-  Serial.printf("Writing file: %s\n", path);
+    Serial.printf("Writing file: %s\n", path);
 
-  File file = fs.open(path, FILE_WRITE);
-  if (!file)
-  {
-    Serial.println("Failed to open file for writing");
-    return;
-  }
-  if (file.print(message))
-  {
-    Serial.println("File written");
-  }
-  else
-  {
-    Serial.println("Write failed");
-  }
-  file.close();
+    File file = fs.open(path, FILE_WRITE);
+    if (!file)
+    {
+        Serial.println("Failed to open file for writing");
+        return;
+    }
+    if (file.print(message))
+    {
+        Serial.println("File written");
+    }
+    else
+    {
+        Serial.println("Write failed");
+    }
+    file.close();
 }
 
 uint8_t appendFile(fs::FS &fs, const char *path, const char *message)
 {
-  Serial.printf("Appending to file: %s\n", path);
+    Serial.printf("Appending to file: %s\n", path);
 
-  File file = fs.open(path, FILE_APPEND);
-  if (!file)
-  {
-    Serial.println("Failed to open file for appending");
-    return 1;
-  }
-  if (file.print(message))
-  {
-    Serial.println("Message appended");
-    file.close();
-    return 0;
-  }
-  else
-  {
-    Serial.println("Append failed");
-    file.close();
-    return 1;
-  }
+    File file = fs.open(path, FILE_APPEND);
+    if (!file)
+    {
+        Serial.println("Failed to open file for appending");
+        return 1;
+    }
+    if (file.print(message))
+    {
+        Serial.println("Message appended");
+        file.close();
+        return 0;
+    }
+    else
+    {
+        Serial.println("Append failed");
+        file.close();
+        return 1;
+    }
 }
 
 void handleRoot()
 {
-  server.setContentLength(CONTENT_LENGTH_UNKNOWN);
-  server.send_P(200, "text/html", index_html);
-  spi.begin(SCK, MISO, MOSI, CS);
-  if (SD.begin(CS, spi))
-  {
-    Serial.println("SD Card initialized.");
-    readFile(SD, "/output.txt");
-  }
-  else
-  {
-    server.sendContent("<p style= \"color:rgb(255, 0, 0);\">SD card not found!</p>");
-  }
-  server.sendContent("</body>");
-  server.sendContent(""); // This ends sending
-  SD.end();
-  spi.end();
+    server.setContentLength(CONTENT_LENGTH_UNKNOWN);
+    server.send_P(200, "text/html", index_html);
+    spi.begin(SCK, MISO, MOSI, CS);
+    if (SD.begin(CS, spi))
+    {
+        Serial.println("SD Card initialized.");
+        readFile(SD, "/output.txt");
+    }
+    else
+    {
+        server.sendContent("<p style= \"color:rgb(255, 0, 0);\">SD card not found!</p>");
+    }
+    server.sendContent("</body>");
+    server.sendContent(""); // This ends sending
+    SD.end();
+    spi.end();
 }
 
 void handleSubmit()
 {
-  char text[100] = {0};
-  spi.begin(SCK, MISO, MOSI, CS);
-  if (SD.begin(CS, spi))
-  {
-    Serial.println("SD Card initialized.");
-    sprintf(text, "%s\n", server.arg(0).c_str());
-    Serial.println(server.arg(0));
-    if (appendFile(SD, "/output.txt", text))
+    char text[100] = {0};
+    spi.begin(SCK, MISO, MOSI, CS);
+    if (SD.begin(CS, spi))
     {
-      writeFile(SD, "/output.txt", text);
+        Serial.println("SD Card initialized.");
+        sprintf(text, "%s\n", server.arg(0).c_str());
+        Serial.println(server.arg(0));
+        if (appendFile(SD, "/output.txt", text))
+        {
+            writeFile(SD, "/output.txt", text);
+        }
     }
-  }
-  SD.end();
-  spi.end();
-  handleRoot();
+    SD.end();
+    spi.end();
+    handleRoot();
 }
 
 void handleNotFound()
 {
-  String message = "Error\n\n";
-  message += "URI: ";
-  message += server.uri();
-  message += "\nMethod: ";
-  message += (server.method() == HTTP_GET) ? "GET" : "POST";
-  message += "\nArguments: ";
-  message += server.args();
-  message += "\n";
-  for (uint8_t i = 0; i < server.args(); i++)
-  {
-    message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
-  }
-  server.send(404, "text/plain", message);
+    String message = "Error\n\n";
+    message += "URI: ";
+    message += server.uri();
+    message += "\nMethod: ";
+    message += (server.method() == HTTP_GET) ? "GET" : "POST";
+    message += "\nArguments: ";
+    message += server.args();
+    message += "\n";
+    for (uint8_t i = 0; i < server.args(); i++)
+    {
+        message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
+    }
+    server.send(404, "text/plain", message);
 }
 
 void DNS_setup()
 {
-  if (MDNS.begin(host))
-  {
-    MDNS.addService("http", "tcp", 80);
-    Serial.println("MDNS responder started");
-    Serial.print("You can now connect to http://");
-    Serial.print(host);
-    Serial.println(".local");
-  }
+    if (MDNS.begin(host))
+    {
+        MDNS.addService("http", "tcp", 80);
+        Serial.println("MDNS responder started");
+        Serial.print("You can now connect to http://");
+        Serial.print(host);
+        Serial.println(".local");
+    }
 }
 
 void setup()
 {
-  Serial.begin(115200);
-  // For reseting LAN8720A
-  pinMode(ETH_NRST_PIN, OUTPUT);
-  digitalWrite(ETH_NRST_PIN, LOW);
-  delay(500);
-  digitalWrite(ETH_NRST_PIN, HIGH);
+    Serial.begin(115200);
+    // For reseting LAN8720A
+    pinMode(ETH_NRST_PIN, OUTPUT);
+    digitalWrite(ETH_NRST_PIN, LOW);
+    delay(500);
+    digitalWrite(ETH_NRST_PIN, HIGH);
 
-  WiFi.onEvent(WiFiEvent);
-  ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_PHY_LAN8720, ETH_CLOCK_GPIO17_OUT);
+    WiFi.onEvent(WiFiEvent);
+    ETH.begin(ETH_ADDR, ETH_POWER_PIN, ETH_MDC_PIN, ETH_MDIO_PIN, ETH_PHY_LAN8720, ETH_CLOCK_GPIO17_OUT);
 
-  DNS_setup();
+    DNS_setup();
 
-  server.on("/", handleRoot);   // Main page
+    server.on("/", handleRoot); // Main page
 
-  server.on("/get", handleSubmit);  // Function done on GET request
+    server.on("/get", handleSubmit); // Function done on GET request
 
-  server.onNotFound(handleNotFound);  // Function done when hangle is not found
+    server.onNotFound(handleNotFound); // Function done when hangle is not found
 
-  server.begin();
-  Serial.println("HTTP server started");
+    server.begin();
+    Serial.println("HTTP server started");
 }
 
 void loop()
 {
-  if(eth_connected)
-  {
-    server.handleClient();
-  }
-  delay(2); // allow the cpu to switch to other tasks
+    if (eth_connected)
+    {
+        server.handleClient();
+    }
+    delay(2); // allow the cpu to switch to other tasks
 }
\ No newline at end of file