fix: 🐛 fix typo in the retinal OCTA

Author: Aydawka

docs/dataset/retinal-octa/retinal-octa.mdx

@@ -144,20 +144,20 @@ Considering that slabs are mainly defined by automatically segmented retinal lay
     <td>Maestro2-Mac 6x6-360x360-(rep3)-OCTA</td>
     <td>360</td>
     <td>360</td>
-    <td>422</td>
+    <td>9</td>
     <td rowSpan="3"> 1 segmentation file per OCTA scan</td>
   </tr>
   <tr>
     <td>Triton-Macula 6x6-OCTA</td>
     <td>320</td>
     <td>320</td>
-    <td>407</td>
+    <td>10</td>
   </tr>
   <tr>
     <td>Triton-Macula 12x12-OCTA</td>
     <td>512</td>
     <td>512</td>
-    <td>432</td>
+    <td>10</td>
   </tr>
 </table>