chore: tidy up index.html (#416)

Co-authored-by: guohuideng2024 <[email protected]>

Author: github-actions[bot]

index.html

@@ -451,8 +451,8 @@ <h3>
               request=];
             </li>
             <li>
-              <code>"body"</code>, if the request is a result of processing
-              the [^body^] element's <code>background</code> attribute that's
+              <code>"body"</code>, if the request is a result of processing the
+              [^body^] element's <code>background</code> attribute that's
               already obsolete.
             </li>
             <li>
@@ -462,14 +462,12 @@ <h3>
                 "css-function">url()</a> directive such as <code>@import
                 url()</code> or <code>background: url()</code>; [[CSS-VALUES]]
               </p>
-
               <p>
                 Note: the request for a font resource specified with
                 <code>@font-face</code> in CSS is a result of processing a CSS
-                directive. Therefore, the `initiatorType` for this font resource
-                is <code>"css"</code>.
+                directive. Therefore, the `initiatorType` for this font
+                resource is <code>"css"</code>.
               </p>
-
             </li>
             <li>
               <code>"script"</code>, if the request is a result of loading any
@@ -519,8 +517,8 @@ <h3>
               an [^input^] element of [^input/type^] [^input/type/image^].
             </li>
             <li>
-              <code>"ping"</code>, if the request is the result of processing an
-              [^a^] element's [^a/ping^].
+              <code>"ping"</code>, if the request is the result of processing
+              an [^a^] element's [^a/ping^].
             </li>
             <li>
               <code>"iframe"</code>, if the request is the result of processing
@@ -531,20 +529,20 @@ <h3>
               [^frame^].
             </li>
             <li>
-              <code>"embed"</code>, if the request is the result of processing an
-              [^embed^] element's [^embed/src^].
+              <code>"embed"</code>, if the request is the result of processing
+              an [^embed^] element's [^embed/src^].
             </li>
             <li>
-              <code>"link"</code>, if the request is the result of processing an
-              [^link^] element.
+              <code>"link"</code>, if the request is the result of processing
+              an [^link^] element.
             </li>
             <li>
-              <code>"object"</code>, if the request is the result of processing an
-              [^object^] element.
+              <code>"object"</code>, if the request is the result of processing
+              an [^object^] element.
             </li>
             <li>
-              <code>"early-hints"</code>, if the request is the result of processing an
-              [[[EARLY_HINTS]]] response.
+              <code>"early-hints"</code>, if the request is the result of
+              processing an [[[EARLY_HINTS]]] response.
             </li>
             <li>
               <code>"other"</code>, if none of the above conditions match.
@@ -765,8 +763,8 @@ <h3>
         </p>
         <p data-dfn-for="PerformanceResourceTiming">
           The <dfn>contentEncoding</dfn> getter steps are to return
-          <a>this</a>'s <a data-for="PerformanceResourceTiming">resource info
-          </a>'s [=response body info/content encoding=].
+          <a>this</a>'s <a data-for="PerformanceResourceTiming">resource
+          info</a> 's [=response body info/content encoding=].
         </p>
         <p data-dfn-for="PerformanceResourceTiming">
           The <dfn>renderBlockingStatus</dfn> getter steps are to return