Update rate limit spend cap copy

codex-rs/tui/src/chatwidget/turn_runtime.rs

@@ -389,7 +389,7 @@ impl ChatWidget {
             }
             Some(RateLimitReachedType::WorkspaceOwnerUsageLimitReached) => {
                 self.on_error(
-                    "Usage limit reached. You've reached your usage limit. Increase your limits to continue using codex."
+                    "You have hit your spend cap in your workspace. Increase your spend cap to continue."
                         .to_string(),
                 );
             }
@@ -398,7 +398,10 @@ impl ChatWidget {
                 self.open_workspace_owner_nudge_prompt(AddCreditsNudgeCreditType::Credits);
             }
             Some(RateLimitReachedType::WorkspaceMemberUsageLimitReached) => {
-                self.on_error(message);
+                self.on_error(
+                    "You have hit your spend cap in your workspace. Ask an owner to increase your spend cap to continue."
+                        .to_string(),
+                );
                 self.open_workspace_owner_nudge_prompt(AddCreditsNudgeCreditType::UsageLimit);
             }
             Some(RateLimitReachedType::RateLimitReached) | None => {