JS: address doc-review comments

javascript/ql/src/Security/CWE-079/UnsafeJQueryPlugin.qhelp

@@ -10,13 +10,14 @@
 			configurable through options provided by the clients of the
 			plugin.
 
-			Clients, however, do not know the implementation details of the
-			plugin, so it is important to document the capabilities of each
-			option.  Of particular importance is the documentation for the plugin
-			options that the client is responsible for sanitizing.
+
+			Clients, however, do not know the implementation details
+			of the plugin, so it is important to document the capabilities of each
+			option.  The documentation for the plugin options that the client is
+			responsible for sanitizing is of particular importance.
 
 			Otherwise, the plugin may write user input (for example, a URL query
-			parameter) to a web page without properly sanitizing the input first,
+			parameter) to a web page without properly sanitizing it first,
 			which allows for a cross-site scripting vulnerability in the client
 			application through dynamic HTML construction.
 
@@ -36,8 +37,8 @@
 	<example>
 		<p>
 
-			The following example shows a jQuery plugin that selects a DOM
-			element, and copies its text content another DOM element.  The
+			The following example shows a jQuery plugin that selects a
+			DOM element, and copies its text content to another DOM element. The
 			selection is performed by using the plugin option
 			<code>sourceSelector</code> as a CSS selector.
 
@@ -47,7 +48,7 @@
 
 		<p>
 
-			This is however not a safe plugin, since the call to
+			This is, however, not a safe plugin, since the call to
 			<code>jQuery</code> interprets <code>sourceSelector</code> as HTML if
 			it is a string that starts with <code>&lt;</code>.