Extra whitespace in 5.3.2 Optional Components of a Conformance Claim (#4357)

Closes: #4356

Removed extra whitespace at the beginning.

Co-authored-by: Patrick H. Lauke <redux@splintered.co.uk>
Co-authored-by: Mike Gower <mikegower@gmail.com>

Author: 3 people

guidelines/index.html

@@ -499,7 +499,7 @@ <h3>Optional Components of a Conformance Claim </h3>
                     <p>In addition to the required components of a conformance claim above, consider providing additional information to assist users. Recommended additional information includes:</p>
                     <ul>
                         <li>A list of success criteria beyond the level of conformance claimed that have been met. This information should be provided in a form that users can use, preferably machine-readable metadata.</li>
-                        <li>A list of the specific technologies that are " <em>used but not <a>relied upon</a></em>."</li>
+                        <li>A list of the specific technologies that are "<em>used but not <a>relied upon</a></em>."</li>
                         <li>A list of user agents, including assistive technologies that were used to test the content.</li>
                         <li>A list of specific accessibility characteristics of the content, provided in machine-readable metadata.</li>
                         <li>Information about any additional steps taken that go beyond the success criteria to enhance accessibility.</li>