Fix spelling errors in Keycloak client descriptions

Corrected spelling of 'usally' to 'usually' in client descriptions.

Author: rpietzsch

docs/deploy-and-configure/configuration/keycloak/index.md

@@ -40,9 +40,9 @@ Clients are used to link users and groups managed in Keycloak to Corporate Memor
 There are two different types of clients used by Corporate Memory:
 
 -   The first client is used to authenticate a user for using the web interface (usually named `cmem`).
--   The second client is used as a technical user with the command line interface (typically named `cmem-service-account`).
--   (optional, when using Graph Insights) similar to the `cmem` client you can configure Graph Insights to use a separate client (usally named `graph-insights`)
--   (optional, when using Graph Insights) similar to the `cmem-service-account` client you can configure Graph Insights to communicate with a separate client (usally named `graph-insights-service-account`)
+-   The second client is used as a technical user with the command line interface (usually named `cmem-service-account`).
+-   (optional, when using Graph Insights) similar to the `cmem` client you can configure Graph Insights to use a separate client (usually named `graph-insights`)
+-   (optional, when using Graph Insights) similar to the `cmem-service-account` client you can configure Graph Insights to communicate with a separate client (usually named `graph-insights-service-account`)
 
 For Graph Insight please refer the [Graph Insights OAUTH documentation](../../../deploy-and-configure/configuration/graphinsights/index.md#oauth-configuration)
 Depending on the environment, there might be other use cases, when running background schedules, then a third client, also as technical user, might be useful.