diff --git a/index.html b/index.html
index 7a4c82a..deceba9 100644
--- a/index.html
+++ b/index.html
@@ -813,8 +813,8 @@ <h4>Canonical vs. Compatibility Equivalence</h4>
                       form; often used for lists, footnotes, and specialized
                       presentation</td>
                     <td style="text-align: center" colspan="1"> <span class="sampleCharacter">①</span></td>
-                    <td style="text-align: center" colspan="1"> <span class="sampleCharacter">❿</span></td>
-                    <td style="text-align: center" colspan="1"> <span class="sampleCharacter">㉄</span></td>
+                    <td style="text-align: center" colspan="1"> <span class="sampleCharacter">&#x2469;</span></td>
+                    <td style="text-align: center" colspan="1"> <span class="sampleCharacter">&#x24b6;</span></td>
                     <td style="text-align: center" colspan="1"> <span class="sampleCharacter">㊞</span></td>
                   </tr>
                   <tr>
@@ -843,7 +843,7 @@ <h4>Canonical vs. Compatibility Equivalence</h4>
                       text.</td>
                     <td style="text-align: center"> <span class="sampleCharacter">㌀</span></td>
                     <td style="text-align: center"> <span class="sampleCharacter">㍐</span></td>
-                    <td style="text-align: center"> <span class="sampleCharacter">🄠</span></td>
+                    <td style="text-align: center"> <span class="sampleCharacter">&#x3250;</span></td>
                     <td style="text-align: center"> <span class="sampleCharacter">㎉</span></td>
                   </tr>
                   <tr>
@@ -852,7 +852,7 @@ <h4>Canonical vs. Compatibility Equivalence</h4>
                     <td style="text-align: center"> <span class="sampleCharacter">¼</span></td>
                     <td style="text-align: center"> <span class="sampleCharacter">½</span></td>
                     <td style="text-align: center"> <span class="sampleCharacter">⅟</span></td>
-                    <td style="text-align: center"> <span class="sampleCharacter">↉</span></td>
+                    <td style="text-align: center"> <span class="sampleCharacter">&#x2189;</span></td>
                   </tr>
                   <tr>
                     <td class="long"><strong>Others</strong>—compatibility characters encoded