diff --git a/poc-datacollector/modules/ROOT/pages/index-structure.adoc b/poc-datacollector/modules/ROOT/pages/index-structure.adoc
index 7ccecc4..272e211 100644
--- a/poc-datacollector/modules/ROOT/pages/index-structure.adoc
+++ b/poc-datacollector/modules/ROOT/pages/index-structure.adoc
@@ -25,7 +25,7 @@ image::ROOT:swarm-poc.png[float=right]
 
 TIP: You will learn to code, coordinate and orchestrate a swarm of self-acting nodes.
 
-=== Dynamic Instaces
+== Dynamic Instaces
 
 
 
@@ -34,7 +34,7 @@ TIP: You will learn to code, coordinate and orchestrate a swarm of self-acting n
 [.float-group]
 --
 [.right]
-image::ROOT:docker-images.png[80,float=right]
+image::ROOT:docker-images.png[50,float=right]
 
 :hardbreaks:
 
@@ -59,7 +59,7 @@ Docker-based applications can be seamlessly moved from local development machine
 --
 
 
-=== Dynamic networks - Swarm
+== Dynamic networks - Swarm
 
 
 image::ROOT:gynamic-swarm.png[float=right]