Remove 'A'before fetures

_build/html/_sources/api/gpio.rst.txt

@@ -7,7 +7,7 @@ About
 GPIO (General Purpouse Input Output) is peripheral responsible to controls reception and 
 deliver digital signals by means of easy interface acess with world, physical pins.
 
-A fetures of this peripheral relates with largely quantity pins available on chip, also being
+Fetures of this peripheral relates with largely quantity pins available on chip, also being
 this programmable and configurable. An example of interaction happen when turn on LED or pulse control a button.
 
 .. note:: 

_build/html/api/gpio.html

@@ -49,7 +49,7 @@ <h1>GPIO<a class="headerlink" href="#gpio" title="Permalink to this headline">¶
 <h2>About<a class="headerlink" href="#about" title="Permalink to this headline">¶</a></h2>
 <p>GPIO (General Purpouse Input Output) is peripheral responsible to controls reception and
 deliver digital signals by means of easy interface acess with world, physical pins.</p>
-<p>A fetures of this peripheral relates with largely quantity pins available on chip, also being
+<p>Fetures of this peripheral relates with largely quantity pins available on chip, also being
 this programmable and configurable. An example of interaction happen when turn on LED or pulse control a button.</p>
 <div class="admonition note">
 <p class="admonition-title">Note</p>

docs/source/api/gpio.rst

@@ -7,7 +7,7 @@ About
 GPIO (General Purpouse Input Output) is peripheral responsible to controls reception and 
 deliver digital signals by means of easy interface acess with world, physical pins.
 
-A fetures of this peripheral relates with largely quantity pins available on chip, also being
+Fetures of this peripheral relates with largely quantity pins available on chip, also being
 this programmable and configurable. An example of interaction happen when turn on LED or pulse control a button.
 
 .. note::