Fix typo
diff --git a/src/jaeger_passage_span_context.erl b/src/jaeger_passage_span_context.erl
index a2be882..7ce4e94 100644
--- a/src/jaeger_passage_span_context.erl
+++ b/src/jaeger_passage_span_context.erl
@@ -87,7 +87,7 @@
     (passage_span_context:get_state(Context))#?STATE.span_id.
 
 %% @private
--spec get_debug_id(passage_span_context:context()) -> {ok, binary()} | eror.
+-spec get_debug_id(passage_span_context:context()) -> {ok, binary()} | error.
 get_debug_id(Context) ->
     State = passage_span_context:get_state(Context),
     case State#?STATE.debug_id of