more clarification

Signed-off-by: Michael Crenshaw <350466+crenshaw-dev@users.noreply.github.com>

cmd/argocd-applicationset-controller/commands/applicationset_controller.go

@@ -243,7 +243,7 @@ func NewCommand() *cobra.Command {
 	command.Flags().BoolVar(&debugLog, "debug", env.ParseBoolFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_DEBUG", false), "Print debug logs. Takes precedence over loglevel")
 	command.Flags().StringVar(&cmdutil.LogFormat, "logformat", env.StringFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_LOGFORMAT", "text"), "Set the logging format. One of: text|json")
 	command.Flags().StringVar(&cmdutil.LogLevel, "loglevel", env.StringFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_LOGLEVEL", "info"), "Set the logging level. One of: debug|info|warn|error")
-	command.Flags().StringSliceVar(&allowedScmProviders, "allowed-scm-providers", env.StringsFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_ALLOWED_SCM_PROVIDERS", []string{}, ","), "The list of allowed custom SCM provider API URLs. This restriction does not apply to non-custom, default SCM provider domains, like github.com. (Default: Empty = all)")
+	command.Flags().StringSliceVar(&allowedScmProviders, "allowed-scm-providers", env.StringsFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_ALLOWED_SCM_PROVIDERS", []string{}, ","), "The list of allowed custom SCM provider API URLs. This restriction does not apply to SCM or PR generators which do not accept a custom API URL. (Default: Empty = all)")
 	command.Flags().BoolVar(&enableScmProviders, "enable-scm-providers", env.ParseBoolFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_ENABLE_SCM_PROVIDERS", true), "Enable retrieving information from SCM providers, used by the SCM and PR generators (Default: true)")
 	command.Flags().BoolVar(&dryRun, "dry-run", env.ParseBoolFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_DRY_RUN", false), "Enable dry run mode")
 	command.Flags().BoolVar(&enableProgressiveSyncs, "enable-progressive-syncs", env.ParseBoolFromEnv("ARGOCD_APPLICATIONSET_CONTROLLER_ENABLE_PROGRESSIVE_SYNCS", false), "Enable use of the experimental progressive syncs feature.")

docs/operator-manual/applicationset/Appset-Any-Namespace.md

@@ -67,8 +67,8 @@ data:
     Please note url used in the `api` field of the `ApplicationSet` must match the url declared by the Administrator including the protocol
 
 !!! warning
-    The allow-list only applies to SCM providers for which the user may configure a custom `api`. Hard-coded provider
-    URLs (like github.com) are assumed to be allowed.
+    The allow-list only applies to SCM providers for which the user may configure a custom `api`. Where an SCM or PR
+    generator does not accept a custom API URL, the provider is implicitly allowed.
 
 If you do not intend to allow users to use the SCM or PR generators, you can disable them entirely by setting the environment variable `ARGOCD_APPLICATIONSET_CONTROLLER_ALLOW_SCM_PROVIDERS` to argocd-cmd-params-cm `applicationsetcontroller.allow.scm.providers` to `false`.