diff --git a/swarmlab/files/Architecture.adoc b/swarmlab/files/Architecture.adoc
index 2e71f80..1be5a6d 100644
--- a/swarmlab/files/Architecture.adoc
+++ b/swarmlab/files/Architecture.adoc
@@ -13,7 +13,7 @@
 
 **Architecture overview**
 
-image:swarm-diagram.png[swarmlab,550,550"] 
+image:swarm-diagram.png[swarmlab,550,550] 
 
 == Storage 
 
diff --git a/swarmlab/main.adoc b/swarmlab/main.adoc
index 551e6df..8a943db 100644
--- a/swarmlab/main.adoc
+++ b/swarmlab/main.adoc
@@ -22,7 +22,7 @@ include::{sourcedir}/registration/registration_main.adoc[]
 include::{sourcedir}/navigation/navigation_main.adoc[]
 
 <<<
-  
+   
 = For Tutors
 
 include::{sourcedir}/tutor/for_tutors_main.adoc[]