More doc changes

docs/client.md

@@ -655,20 +655,7 @@ vmstart 6713ce26-941e-4d95-8e92-6b71d44bf75a
 
 ### Running nexus-exam
 
-<!--
-`nexus-exam` requires two environment variables:
-
-- `NEXUS_SERVER`: specifies the nexus server to connect to.
-- `NEXUS_CERT`: specifies the path to the public certificate required for encrypted communication (TLS) with the nexus server.
-
-Example of variables initialization:
-```
-export NEXUS_SERVER=10.136.26.127:1077
-export NEXUS_CERT=$(pwd)/ca-cert.isc-nexus-prod.pem
-```
--->
-
-The purpose of `nexus-exam` is to be used during live exam sessions. Students are provided with laptops configured to boot on dedicated USB keys. These USB keys feature a minimal Linux system that automatically run `nexus-exam` at boot time. 50 such USB keys have been created and are ready to be used.
+The purpose of `nexus-exam` is to be used during live exam sessions. Students are provided with laptops configured to boot on dedicated USB keys. These USB keys feature a minimal Linux system that automatically run `nexus-exam` at boot time. 80 such USB keys have been created and are ready to be used.
 The only thing that's necessary to use `nexus-exam` is to boot on one of the USB keys mentionned above.
 
 Additionally, `nexus-exam` can also be ran by booting on PXE on the nexus-exam image available to any loaned laptop connected to a RJ45 câble in a classroom or office.