Fix CI/CD time decay blueprint disclaimer

doc/architecture/blueprints/ci_data_decay/index.md

@@ -23,17 +23,17 @@ the data storage for pipeline builds remains almost the same since 2012. In
 ia separate database. Now we want to improve the architecture of GitLab CI/CD
 product to enable further scaling.
 
-*Disclaimer: The following contain information related to upcoming products,
-features, and functionality.
+_Disclaimer: The following contain information related to upcoming products,
+features, and functionality._
 
-It is important to note that the information presented is for informational
+_It is important to note that the information presented is for informational
 purposes only. Please do not rely on this information for purchasing or
-planning purposes.
+planning purposes._
 
-As with all projects, the items mentioned in this document and linked pages are
+_As with all projects, the items mentioned in this document and linked pages are
 subject to change or delay. The development, release and timing of any
 products, features, or functionality remain at the sole discretion of GitLab
-Inc.*
+Inc._
 
 ## Goals