Update functions_explained.adoc

Author: dadul96

extras/functions_explained.adoc

@@ -6,7 +6,7 @@ The functions of the library are:
 
 **attach(pin, min, max)** -- Attaches a servo motor to an i/o pin with a custom lower and upper pulse width limit.
 
-**attach(pin, min, max, defaultPos)** -- Attaches a servo motor to an i/o pin with a custom lower and upper pulse width limit. In addition the starting pulse width of the servo can be set with the defaultPos. This allows the servo to start from a user defined angle instead of the middle position.
+**attach(pin, min, max, defaultPos)** -- Attaches a servo motor to an i/o pin with a custom lower and upper pulse width limit. In addition, the starting pulse width of the servo can be set with the defaultPos. This allows the servo to start from a user-defined angle instead of the middle position.
 
 **detach()** -- Clears the used registers and stops the output of the attached pin. (**no pin number!**)
 
@@ -20,4 +20,4 @@ The functions of the library are:
 
 **readMicroseconds()** -- Returns the current angle (in microseconds) that gets transmitted to the servo. (return type: **int**)
 
-**attached()** -- Returns **true** if the servo is attached, otherwise the return value is **false**. (return type: **bool**)
+**attached()** -- Returns **true** if the servo is attached. (return type: **bool**)