diff --git a/documentation/INCIDENTS.md b/documentation/INCIDENTS.md
index 0709f22..91a1429 100644
--- a/documentation/INCIDENTS.md
+++ b/documentation/INCIDENTS.md
@@ -120,3 +120,17 @@ I ran ansible with `--fork=1` to update on ap at a time (every ap takes about 5
 **impact**:
 Either clients "roamed" (no fast roaming - short interuptions) to a different ap or waited till the original ap came back online.
 For every client not more than 10-15 seconds service interruption.
+
+
+2022.07.17 01:50 | (maintenance) increase dhcp pool size for clients
+--------------------------------------------------------------------
+
+The dnsmasq instance for the client network (`10.84.4.0/22`) only used the dhcp pool `10.84.4.100 - .250`.
+
+To be able to actually assign the full `/22` to clients I've changed the pool to `10.84.4.2 - 10.84.7.254`.
+
+Afterwards I've reloaded `dnsmasq` on `gw-core01`.
+
+**impact**: none
+
+Currently `dnsmasq` has handed out 104 leases, so we presumably never ran out of ips in the old pool.