authorized_keys format options are seperated via ","

bwreg-service/src/main/java/edu/kit/scc/webreg/service/ssh/SshLoginServiceImpl.java

@@ -184,7 +184,7 @@ public class SshLoginServiceImpl implements SshLoginService {
 			if (regKey.getUsageType().equals(SshPubKeyUsageType.COMMAND)) {
 				sb.append("command=\"");
 				sb.append(regKey.getCommand());
-				sb.append("\" from=\"");
+				sb.append("\",from=\"");
 				sb.append(regKey.getFrom());
 				sb.append("\" ");
 			}