Update charts/netdata/README.md

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: M4itee

charts/netdata/README.md

@@ -1960,7 +1960,7 @@ true
 true
 </pre>
 </td>
-			<td>Whether should use a persistent volumes</td>
+			<td>Whether to use persistent volumes</td>
 		</tr>
 		<tr>
 			<td>netdataOpentelemetry.persistence.storageclass</td>