diff --git a/index.html b/index.html
index ec5b3d2..8930001 100644
--- a/index.html
+++ b/index.html
@@ -30,7 +30,7 @@
  <th class="thu">木</th>
  <th class="fri">金</th><th class="sat">土</th><th></th></tr>
 <tr><td></td><td></td><td></td><td></td><td></td><td>1</td><td class="sat">2</td><td></td></tr>
-<tr><td class="sun">3</td><td>4</td><td>5</td><td>6</td><td>7</td><td>8</td><td class="sat">9</td></tr>
+<tr><td class="sun">3</td><td　class="sun">4</td><td　class="sun">5</td><td　class="sun">6</td><td>7</td><td>8</td><td class="sat">9</td></tr>
 <tr><td class="sun">10</td><td>11</td><td>12</td><td>13</td><td>14</td><td>15</td><td class="sat">16</td><td></td></tr>
 <tr><td class="sun">17</td><td>18</td><td>19</td><td>20</td><td>21</td><td>22</td><td class="sat">23</td><td></td></tr>
 <tr><td class="sun">24</td><td>25</td><td>26</td><td>27</td><td>28</td><td>29</td><td class="sat">30</td><td></td></tr>