diff --git a/doc/osmCoverage.md b/doc/osmCoverage.md
index 72ae46d..ad820a0 100644
--- a/doc/osmCoverage.md
+++ b/doc/osmCoverage.md
@@ -22,6 +22,9 @@
 
 ### build
 
+### Development environment
+
+![MachineStructure](machinestructure.png)
 
 
 
@@ -95,4 +98,3 @@
 91. stop pgAdmin4 `docker stop stupefied_poitras`
 
 92. stop postGIS `docker stop postgis`
-