diff --git a/src/sandbox/overview.md b/src/sandbox/overview.md
index b916976..534ff3b 100644
--- a/src/sandbox/overview.md
+++ b/src/sandbox/overview.md
@@ -3,12 +3,12 @@
 ![Sandbox Architecture](res/sandbox-architecture.png)
 
 ## Development Environment
-A [Development Environment](sandbox/dev_env.md) or Playground for beginners and advanced users. 
+A [Development Environment](dev_env.md) or Playground for beginners and advanced users. 
 
 ## Use Cases
-A brief overview how to create [Use Cases](sandbox/use_cases.md) on the Sandbox
+A brief overview how to create [Use Cases](use_cases.md) on the Sandbox
 ## Data Pool
-Details about how to store and manage data on the Sandbox: Additional information:  [Data Pool](sandbox/data_pool.md)
+Details about how to store and manage data on the Sandbox: Additional information:  [Data Pool](data_pool.md)
 ## Training Environment
 (tbd)
 ## Data Generator