diff --git a/courses/databases_nosql/further_reading.md b/courses/databases_nosql/further_reading.md
index f7024c3..f08d944 100644
--- a/courses/databases_nosql/further_reading.md
+++ b/courses/databases_nosql/further_reading.md
@@ -1,4 +1,8 @@
-# Further reading:
+# Conclusion
+
+We have covered basic concepts of NoSQL databases. There is much more to learn and do. We hope this course gives you a good start and inspires you to explore further.
+
+# Further reading
 
 NoSQL:
 
diff --git a/courses/databases_nosql/intro.md b/courses/databases_nosql/intro.md
index 069530b..cfc9fb6 100644
--- a/courses/databases_nosql/intro.md
+++ b/courses/databases_nosql/intro.md
@@ -1,5 +1,7 @@
 # NoSQL Concepts
 
+## Prerequisites
+- [Relational Databases](https://linkedin.github.io/school-of-sre/databases_sql/intro/)
 
 ## What to expect from this course