Fixed english typos. (#1)

Author: jfrux

index_en.html

@@ -199,7 +199,7 @@
           </div><!--
 
        --><div id="fr_54747362d775ef1a36000058" class="fr-widget fr-text fr-wf fr_textnode ">
-            <div class="fr-text">Event-driven API for network applicaitons, which faciliates developers writing code running on a 5mm*5mm sized MCU in Nodejs style. Greatly speed up your IOT application developing process.</div>
+            <div class="fr-text">Event-driven API for network applications, which facilitates developers writing code running on a 5mm*5mm sized MCU in Nodejs style. Greatly speed up your IOT application developing process.</div>
 
           </div>
 
@@ -218,7 +218,7 @@
           </div><!--
 
        --><div id="fr_54747361d775ef1a36000034" class="fr-widget fr-text fr-wf fr_textcloud ">
-            <div class="fr-text">Less than $2 WI-FI MCU ESP8266 integrated and esay to prototyping development kit. We provide the best platform for IOT application development at the lowest cost.</div>
+            <div class="fr-text">Less than $2 WI-FI MCU ESP8266 integrated and easy to prototype development kit. We provide the best platform for IOT application development at the lowest cost.</div>
 
           </div>
 
@@ -242,7 +242,7 @@
       </div><!--
 
    --><div id="fr_547629d27976d849b9000011" class="fr-widget fr-text fr-wf fr_devkitslogan ">
-        <div class="fr-text">The Development Kit based on ESP8266, integates GPIO, PWM, IIC, 1-Wire and ADC all in one board. Power your developement in the fastest way combinating with NodeMcu Firmware!</div>
+        <div class="fr-text">The Development Kit based on ESP8266, integrates GPIO, PWM, IIC, 1-Wire and ADC all in one board. Power your development in the fastest way combined with NodeMcu Firmware!</div>
 
       </div><!--