Update docs

docs/reference.md

@@ -224,7 +224,7 @@ No help available for this command
         <event name="1">
           <file name="example.file" aclId="" broken="0" ctime="2021-10-28 12:54:46" dir="233353357" entryId="306974419" expiretime="" gowner="alienci" guid="0f896750-37ee-11ec-8f15-024246e5e01d" guidtime="" jobid="" lfn="/alice/cern.ch/user/a/alienci/example.file" md5="3f8a7f1fa8fcfe1faeae60b6036de9de" owner="alienci" perm="400" replicated="0" size="40" turl="alien:///alice/cern.ch/user/a/alienci/example.file" type="f" />
         </event>
-        <info command="example.file" creator="alienci" date="Mon Feb 06 08:52:05 UTC 2023" timestamp="1675673525591" />
+        <info command="example.file" creator="alienci" date="Mon Feb 06 10:30:34 UTC 2023" timestamp="1675679434044" />
       </collection>
     </alien>
     ```
@@ -621,7 +621,7 @@ No help available for this command
 === "Example"
     ```console
     jsh: [alice] > uptime
-    90089 running jobs, 225197 waiting jobs, 25 active users
+    90829 running jobs, 258693 waiting jobs, 26 active users
     ```
 
 ## **resubmit**
@@ -930,14 +930,14 @@ No help available for this command
     ```console
     jsh: [alice] > ping 5
     Sending 3 messages with a pause of 1000 ms between them
-    reply from 137.138.99.172 (alice-jcentral.cern.ch / pcapiserv03.cern.ch): time=2.26 ms
-    reply from 137.138.99.172 (alice-jcentral.cern.ch / pcapiserv03.cern.ch): time=0.914 ms
-    reply from 137.138.99.172 (alice-jcentral.cern.ch / pcapiserv03.cern.ch): time=0.797 ms
+    reply from 137.138.99.188 (alice-jcentral.cern.ch / pcapiserv10.cern.ch): time=2.576 ms
+    reply from 137.138.99.188 (alice-jcentral.cern.ch / pcapiserv10.cern.ch): time=0.864 ms
+    reply from 137.138.99.188 (alice-jcentral.cern.ch / pcapiserv10.cern.ch): time=0.724 ms
     3 packets transmitted, time 2008 ms
-    rtt min/avg/max/mdev = 0.797/1.324/2.26/0.664 ms
+    rtt min/avg/max/mdev = 0.724/1.388/2.576/0.842 ms
     
     Central service endpoint information:
-      hostname : pcapiserv03.cern.ch
+      hostname : pcapiserv10.cern.ch
     ```
 
 ## **version**