Apply suggestions from doc review

Co-authored-by: mc <[email protected]>

Author: erik-krogh

javascript/ql/src/Security/CWE-200/PrivateFileExposure.qhelp

@@ -7,10 +7,10 @@
   <p>
     Libraries like <code>express</code> provide easy methods for serving entire 
     directories of static files from a web server.
-    However, using these can sometimes lead to accidential information exposure. 
+    However, using these can sometimes lead to accidental information exposure. 
     If for example the <code>node_modules</code> folder is served, then an attacker
     can access the <code>_where</code> field from a <code>package.json</code> file, 
-    which gives the attacker access to the absolute path of the file. 
+    which gives access to the absolute path of the file. 
   </p>
 </overview>
 
@@ -22,13 +22,13 @@
 
 <example>
   <p>
-    In the example below all the files from the <code>node_modules</code> are served. 
+    In the example below, all the files from the <code>node_modules</code> are served. 
     This allows clients easy access to all files inside that folder, but also allows
     access to potentially private information inside <code>package.json</code> files. 
   </p>
   <sample src="examples/PrivateFileExposure.js"/>
   <p>
-    The issue has been fixed in the below by only serving specific folders within the
+    The issue has been fixed below by only serving specific folders within the
     <code>node_modules</code> folder.
   </p>
   <sample src="examples/PrivateFileExposureFixed.js"/>