diff --git a/man/groupmod.8.xml b/man/groupmod.8.xml
index 01b22d7c..e1db14dd 100644
--- a/man/groupmod.8.xml
+++ b/man/groupmod.8.xml
@@ -239,43 +239,43 @@
 	<varlistentry>
 	  <term><replaceable>0</replaceable></term>
 	  <listitem>
-	    <para>success</para>
+	    <para>E_SUCCESS: success</para>
 	  </listitem>
 	</varlistentry>
 	<varlistentry>
 	  <term><replaceable>2</replaceable></term>
 	  <listitem>
-	    <para>invalid command syntax</para>
+	    <para>E_USAGE: invalid command syntax</para>
 	  </listitem>
 	</varlistentry>
 	<varlistentry>
 	  <term><replaceable>3</replaceable></term>
 	  <listitem>
-	    <para>invalid argument to option</para>
+	    <para>E_BAD_ARG: invalid argument to option</para>
 	  </listitem>
 	</varlistentry>
 	<varlistentry>
 	  <term><replaceable>4</replaceable></term>
 	  <listitem>
-	    <para>specified group doesn't exist</para>
+	    <para>E_GID_IN_USE: specified group doesn't exist</para>
 	  </listitem>
 	</varlistentry>
 	<varlistentry>
 	  <term><replaceable>6</replaceable></term>
 	  <listitem>
-	    <para>specified group doesn't exist</para>
+	    <para>E_NOTFOUND: specified group doesn't exist</para>
 	  </listitem>
 	</varlistentry>
 	<varlistentry>
 	  <term><replaceable>9</replaceable></term>
 	  <listitem>
-	    <para>group name already in use</para>
+	    <para>E_NAME_IN_USE: group name already in use</para>
 	  </listitem>
 	</varlistentry>
 	<varlistentry>
 	  <term><replaceable>10</replaceable></term>
 	  <listitem>
-	    <para>can't update group file</para>
+	    <para>E_GRP_UPDATE: can't update group file</para>
 	  </listitem>
 	</varlistentry>
 	  <term><replaceable>11</replaceable></term>