diff --git a/doc/architecture/trace_file_mcap_format.adoc b/doc/architecture/trace_file_mcap_format.adoc
index cc148147f..f2b7254f9 100644
--- a/doc/architecture/trace_file_mcap_format.adoc
+++ b/doc/architecture/trace_file_mcap_format.adoc
@@ -107,7 +107,7 @@ When not using an optional field, the corresponding underscore delimiter must be
 |===
 
 
-**Example**s
+**Example**
 
 The following list shows examples of valid OSI MCAP file names: