diff --git a/tracing-subscriber/src/fmt/format/json.rs b/tracing-subscriber/src/fmt/format/json.rs
index d26c822df0..cbbb95c8be 100644
--- a/tracing-subscriber/src/fmt/format/json.rs
+++ b/tracing-subscriber/src/fmt/format/json.rs
@@ -27,7 +27,7 @@ use tracing_log::NormalizeEvent;
 ///
 /// # Example Output
 ///
-/// ```ignore,json
+/// ```json
 /// {
 ///     "timestamp":"Feb 20 11:28:15.096",
 ///     "level":"INFO",