Fixed the text so that it is not centered anymore after the table in chapter 15

content/ChX5_CracksInMecha.md

@@ -111,6 +111,7 @@ The kinetic theory predicts $\gamma$ for various classes of gases. For instance,
         <td style="border: 1px solid black;">1.286</td>
     </tr>
 </table>
+</center>
 </