diff --git a/prdoc/stable2509/pr_9479.prdoc b/prdoc/stable2509/pr_9479.prdoc
index 6a8a29808a120..9a5f42dca3ac5 100644
--- a/prdoc/stable2509/pr_9479.prdoc
+++ b/prdoc/stable2509/pr_9479.prdoc
@@ -7,9 +7,9 @@ doc:
     This version solves the following issue:
 
     ```
-    0: sp_panic_handler::set::{{closure}}
+    0: sp_panic_handler::set::{{ "{{" }}closure{{ "}}" }}
     1: std::panicking::rust_panic_with_hook
-    2: std::panicking::begin_panic_handler::{{closure}}
+    2: std::panicking::begin_panic_handler::{{ "{{" }}closure{{ "}}" }}
     3: std::sys::backtrace::__rust_end_short_backtrace
     4: rust_begin_unwind
     5: core::panicking::panic_fmt
@@ -17,15 +17,15 @@ doc:
     7: core::slice::index::slice_start_index_len_fail
     8: <yamux::frame::io::Io as futures_sink::Sink<yamux::frame::Frame<()>>>::poll_ready
     9: yamux::connection::Connection::poll_next_inbound
-    10: litep2p::transport::websocket::connection::WebSocketConnection::start::{{closure}}
-    11: <litep2p::transport::websocket::WebSocketTransport as litep2p::transport::Transport>::accept::{{closure}}
+    10: litep2p::transport::websocket::connection::WebSocketConnection::start::{{ "{{" }}closure{{ "}}" }}
+    11: <litep2p::transport::websocket::WebSocketTransport as litep2p::transport::Transport>::accept::{{ "{{" }}closure{{ "}}" }}
     12: <tracing_futures::Instrumented as core::future::future::Future>::poll
     13: tokio::runtime::task::raw::poll
     14: tokio::runtime::scheduler::multi_thread::worker::Context::run_task
     15: tokio::runtime::scheduler::multi_thread::worker::run
     16: tokio::runtime::task::raw::poll
     17: std::sys::backtrace::__rust_begin_short_backtrace
-    18: core::ops::function::FnOnce::call_once{{vtable.shim}}
+    18: core::ops::function::FnOnce::call_once{{ "{{" }}vtable.shim{{ "}}" }}
     19: std::sys::pal::unix::thread::Thread::new::thread_start
     20: start_thread
     at /build/glibc-FcRMwW/glibc-2.31/nptl/pthread_create.c:477:8