diff --git a/intro.md b/intro.md
index 23ebb4a..056267b 100644
--- a/intro.md
+++ b/intro.md
@@ -35,7 +35,7 @@ Be safe has complex requirements, it is a constant and never ending exercise mix
 
 ## PerfSPEC Schema 
 
-How it would *play* could looks like this 
+How it would **play** could looks like this 
 
 <div style="margin: auto">
  <a target="_blank" href="perfspec-learning/src/branch/main/presentacion.pdf"><img src="imgs/perfSPEC.png" width="800"></a>