docs: update the ARGOCD_SESSION_FAILURE_MAX_FAIL_COUNT variable in th…

…e docs (argoproj#8140)

Signed-off-by: Chetan Banavikalmutt <[email protected]>

docs/operator-manual/user-management/index.md

@@ -95,7 +95,7 @@ argocd account generate-token --account <username>
 Argo CD rejects login attempts after too many failed in order to prevent password brute-forcing.
 The following environments variables are available to control throttling settings:
 
-* `ARGOCD_SESSION_MAX_FAIL_COUNT`: Maximum number of failed logins before Argo CD starts
+* `ARGOCD_SESSION_FAILURE_MAX_FAIL_COUNT`: Maximum number of failed logins before Argo CD starts
 rejecting login attempts. Default: 5.
 
 * `ARGOCD_SESSION_FAILURE_WINDOW_SECONDS`: Number of seconds for the failure window.