Unnecessary "`" signs in i18n examples

The "`" characters in the I18N examples seem to be unnecessary and yield erroneous JSON-LD...

Author: iherman

index.html

@@ -6171,8 +6171,8 @@ <h3>Language and Base Direction</h3>
         <pre class="example nohighlight" title="Design pattern for natural language strings">
 "myProperty": {
   "@value": "<span class="highlight">The string value</span>",
-  "@language": "`LANGUAGE`"
-  "@direction": "`DIRECTION`"
+  "@language": "LANGUAGE"
+  "@direction": "DIRECTION"
 }
         </pre>
 
@@ -6194,7 +6194,7 @@ <h3>Language and Base Direction</h3>
         <pre class="example nohighlight" title="Expressing natural language text as English">
 "title": {
   "@value": "<span class="highlight">HTML and CSS: Designing and Creating Websites</span>",
-  "@language": "`en`"
+  "@language": "en"
 }
         </pre>
 
@@ -6206,8 +6206,8 @@ <h3>Language and Base Direction</h3>
         <pre class="example nohighlight" title="Arabic text with a base direction of right-to-left">
 "title": {
   "@value": "<span class="highlight" dir="rtl" lang="ar">HTML و CSS: تصميم و إنشاء مواقع الويب</span>",
-  "@language": "`ar`",
-  "@direction": "`rtl`"
+  "@language": "ar",
+  "@direction": "rtl"
 }
         </pre>
 
@@ -6226,12 +6226,12 @@ <h3>Language and Base Direction</h3>
 "title": [
   {
     "@value": "<span class="highlight">HTML and CSS: Designing and Creating Websites</span>",
-    "@language": "`en`"
+    "@language": "en"
   },
   {
     "@value": "<span class="highlight" dir="rtl" lang="ar">HTML و CSS: تصميم و إنشاء مواقع الويب</span>",
-    "@language": "`ar`",
-    "@direction": "`rtl`"
+    "@language": "ar",
+    "@direction": "rtl"
   }
 ]
         </pre>