docs: detail for canister update-settings --set-controller
# Description
Add some detail related to `dfx canister update-settings --set-controller` and multiple controllers.
Fixes
@@ -30,6 +30,8 @@ pub struct UpdateSettingsOpts {
all: bool,
/// Specifies the identity name or the principal of the new controller.
+ /// Can be specified more than once, indicating the canister will have multiple controllers.
+ /// If any controllers are set with this parameter, any other controllers will be removed.
#[clap(long, multiple_occurrences(true))]
set_controller: Option<Vec<String>>,
