code: public final EmbedBuilder setDescription(CharSequence description)
      {
          this.description.setLength(0);
          if (description != null && description.length() >= 1)
              appendDescription(description);
          return this;
      }
docs: Sets the Description of the embed. This is where the main chunk of text for an embed is typically placed.
  
  <p><b><a href="http://i.imgur.com/lbchtwk.png">Example</a></b>
  
  @param  description
  the description of the embed, {@code null} to reset
  
  @throws java.lang.IllegalArgumentException
  If the length of {@code description} is greater than {@link net.dv8tion.jda.core.entities.MessageEmbed#TEXT_MAX_LENGTH}
  
  @return the builder after the description has been set