Change mklittlefs.bin to littlefs.bin

Author: rvdbreemen

updateServerHtml.h

@@ -12,7 +12,7 @@ static const char UpdateServerIndex[] PROGMEM =
           <input type='submit' value='Flash Firmware'>
       </form>
       <form method='POST' action='?cmd=100' enctype='multipart/form-data'> 
-          Select a "<b>.mklittlefs.bin</b>" file to flash<br/>
+          Select a "<b>.littlefs.bin</b>" file to flash<br/>
           <input type='file' accept='littlefs.bin' name='filesystem'>
           <input type='submit' value='Flash LittleFS'>
       </form>