OCPBUGS-31402: Fixing addtion typo

Author: rohennes

modules/ztp-precaching-ztp-config.adoc

@@ -208,7 +208,7 @@ OPTIONS:
 [id="ztp-pre-caching-config-nodes-ignitionconfigoverride_{context}"]
 == Understanding the nodes.ignitionConfigOverride field
 
-Similarly to `clusters.ignitionConfigOverride`, the `nodes.ignitionConfigOverride` field allows the addtion of configurations in Ignition format to the `coreos-installer` utility, but at the {product-title} installation stage.
+Similarly to `clusters.ignitionConfigOverride`, the `nodes.ignitionConfigOverride` field allows the addition of configurations in Ignition format to the `coreos-installer` utility, but at the {product-title} installation stage.
 When the {op-system} is written to disk, the extra configuration included in the {ztp} discovery ISO is no longer available. During the discovery stage, the extra configuration is stored in the memory of the live OS.
 
 [NOTE]