@@ -1100,7 +1100,11 @@ PGPing PQpingParams(const char **keywords, const char **values, int expand_dbnam
11001100 <term><literal>PQPING_NO_RESPONSE</literal></term>
11011101 <listitem>
11021102 <para>
1103- The server could not be contacted.
1103+ The server could not be contacted. This might indicate that the
1104+ server is not running, or that there is something wrong with the
1105+ given connection parameters (for example, wrong port number), or
1106+ that there is a network connectivity problem (for example, a
1107+ firewall blocking the connection request).
11041108 </para>
11051109 </listitem>
11061110 </varlistentry>
@@ -1110,8 +1114,8 @@ PGPing PQpingParams(const char **keywords, const char **values, int expand_dbnam
11101114 <listitem>
11111115 <para>
11121116 No attempt was made to contact the server, because the supplied
1113- parameters were incorrect or there was some client-side problem
1114- (for example, out of memory).
1117+ parameters wereobviously incorrect or there was some client-side
1118+ problem (for example, out of memory).
11151119 </para>
11161120 </listitem>
11171121 </varlistentry>