diff --git a/src/lib/dynamic_enricher.ml b/src/lib/dynamic_enricher.ml
index b4bd6571..700c6826 100644
--- a/src/lib/dynamic_enricher.ml
+++ b/src/lib/dynamic_enricher.ml
@@ -17,6 +17,7 @@ let collect () : Key_value.t list =
       | exception exn ->
         let bt = Printexc.get_raw_backtrace () in
         Printf.eprintf "opentelemetry: dynamic_enricher raised %s\n%s%!"
-          (Printexc.to_string exn) (Printexc.raw_backtrace_to_string bt))
+          (Printexc.to_string exn)
+          (Printexc.raw_backtrace_to_string bt))
     (Alist.get enrichers_);
   !acc
diff --git a/src/trace/opentelemetry_trace.ml b/src/trace/opentelemetry_trace.ml
index 20592af8..2c240842 100644
--- a/src/trace/opentelemetry_trace.ml
+++ b/src/trace/opentelemetry_trace.ml
@@ -39,8 +39,7 @@ open struct
     OTEL.Span_ctx.k_ambient
 
   let enter_span (self : state) ~__FUNCTION__ ~__FILE__ ~__LINE__ ~level:_
-      ~params:_ ~(data : (_ * Trace.user_data) list) ~parent name : Trace.span
-      =
+      ~params:_ ~(data : (_ * Trace.user_data) list) ~parent name : Trace.span =
     let start_time = OTEL.Clock.now self.clock in
     let trace_id, parent_id =
       match parent with