diff --git a/Zika_hotspots_Pernambuco.r b/Zika_hotspots_Pernambuco.r
index 1c789b7..75b8817 100644
--- a/Zika_hotspots_Pernambuco.r
+++ b/Zika_hotspots_Pernambuco.r
@@ -86,6 +86,7 @@ ssenv$.ss.params.OLD <-  ssenv$.ss.params
 ssenv$.ss.params <- readLines('template_satscan.txt')
 
 
+# Arboviral diseases ------------------------------------------------------
 # Dengue, Zika and Chikungunya --------------------------------------------
 
 ARQ <- 'dataPE.cas'