fixed typo: recusively -> recursively

Author: Bassem Ali

basic/index.html

@@ -83,7 +83,7 @@ <h2>
 </pre>
 
     <p class="aside">
-    It is also common to recusively add all files in a new project by specifying
+    It is also common to recursively add all files in a new project by specifying
     the current working directory like this: <code>git add .</code>.  Since Git
     will recursively add all files under a directory you give it, if you give it
     the current working directory, it will simply start tracking every file