typo

Author: cassiozen

materials/appendixA/index.html

@@ -461,7 +461,7 @@ <h1 id="webpackdevelopment">Webpack Development Server</h1>
 
       <h1 id="loaders">Loaders</h1>
 
-      <p>One of the most exiting features of Webpack are loaders. Through the use of loaders, webpack can preprocess the source files through external scripts and tools as it loads them to apply all kinds of changes and transformations. These transformations are useful in many circumstances, for example for parsing JSON files into plain JavaScript or turning next generation's JavaScript code into regular JavaScript that current browsers can understand (so you can use next generation features today). Loaders are also essential for React development, as they can be used to transform React's JSX into plain JavaScript.</p>
+      <p>One of the most exciting features of Webpack are loaders. Through the use of loaders, webpack can preprocess the source files through external scripts and tools as it loads them to apply all kinds of changes and transformations. These transformations are useful in many circumstances, for example for parsing JSON files into plain JavaScript or turning next generation's JavaScript code into regular JavaScript that current browsers can understand (so you can use next generation features today). Loaders are also essential for React development, as they can be used to transform React's JSX into plain JavaScript.</p>
 
       <p>Loaders need to be installed separately and should be configured under the "modules" key in webpack.config.js. Loader configuration setting include:
         <ul>