[quickfix]: quickfix: strange font problem on diagram (#274)

Seems to have been caused by extra space in the label.

Author: RayOffiah

modules/tutorials/partials/diagrams/couchbase-hierarchy.puml

@@ -23,20 +23,20 @@ collection --> document3
 
 note right of bucket
 
- Maximum of  30 per cluster
- 
+ Maximum of 30 per cluster
+
 end note
 
 note left of scope
 
   Maximum of 1000 per cluster
-  
+
 end note
 
 note right of collection
 
   Maximum of 1000 per cluster
-  
+
 end note
 
 @enduml