Fix two typos spotted by J. Lepiller and others introduced by myself

was r11559.

chapter07/consoled.xml

@@ -81,8 +81,8 @@
   <para>下面是使用德语键盘和控制台的例子：</para>
 <!-- This is what is used by jhalfs for creating the vconsole.conf file.
      Whenever you want to change the following, please inform the jhalfs
-     maintianer(s). -->
-<screen role="nodump"><userinput>cat &gt; /etc/vconsole.conf &lt;&lt; "EOF"
+     maintainer(s). -->
+<screen><userinput>cat &gt; /etc/vconsole.conf &lt;&lt; "EOF"
 <literal>KEYMAP=de-latin1
 FONT=Lat2-Terminus16</literal>
 EOF</userinput></screen>

chapter07/network.xml

@@ -61,7 +61,7 @@
     <para>作为示例，以下命令为
     <emphasis>eth0</emphasis> 设备创建一个静态 IP 地址配置：</para>
 <!-- jhalfs relies on the values for IFACE, IP, etc. If you want to change
-     them, please inform the jhalfs maintainer. -->
+     them, please inform the jhalfs maintainer(s). -->
 <screen><userinput>cd /etc/sysconfig/
 cat &gt; ifconfig.<replaceable>eth0</replaceable> &lt;&lt; "EOF"
 <literal>ONBOOT=<replaceable>yes</replaceable>

chapter07/networkd.xml

@@ -131,7 +131,7 @@ EOF</userinput></screen>
       <para>以下命令为静态 IP 设置创建一个基本的配置文件
       （使用 systemd-networkd 和 systemd-resolved）。</para>
 <!-- jhalfs relies on the values for Name, Address, etc. If you want to change
-     them, please inform the jhalfs maintainer. -->
+     them, please inform the jhalfs maintainer(s). -->
 <screen><userinput>cat &gt; /etc/systemd/network/10-eth-static.network &lt;&lt; "EOF"
 <literal>[Match]
 Name=<replaceable>&lt;网络设备名&gt;</replaceable>