diff --git a/R/disease_names.R b/R/disease_names.R
index 212b041..df2834f 100644
--- a/R/disease_names.R
+++ b/R/disease_names.R
@@ -36,7 +36,7 @@
 #' @format A data.table containing disease groupings following the schemes used in 
 #' the Royal College of Physicians report 'Hiding in Plain Sight' Chapter 3 \insertCite{RCP2018}{tobalcepi} 
 #' and \insertCite{Angus2018;textual}{tobalcepi}. 
-#' Also includes a column of formatted disease names.
+#' Also includes a column of formatted disease names and an indication of which diseases are related to tobacco only, alcohol only or both
 #'
 #' @references
 #' \insertRef{RCP2018}{tobalcepi}    
diff --git a/data-raw/disease_groups.R b/data-raw/disease_groups.R
index 2afa3a3..0a52d70 100644
--- a/data-raw/disease_groups.R
+++ b/data-raw/disease_groups.R
@@ -4,7 +4,7 @@
 library(data.table)
 
 # Set the file path to point to the University of Sheffield X drive
-root_dir <- "/Volumes/"
+root_dir <- "/Volumes/Shared/"
 
 disease_groups <- fread(paste0(root_dir, "ScHARR/PR_Disease_Risk_TA/Code/tables/disease_groups.csv"))
 
diff --git a/data/disease_groups.rda b/data/disease_groups.rda
index 8865ee2..d2faf02 100644
Binary files a/data/disease_groups.rda and b/data/disease_groups.rda differ
diff --git a/man/disease_groups.Rd b/man/disease_groups.Rd
index c1568a9..87132d8 100644
--- a/man/disease_groups.Rd
+++ b/man/disease_groups.Rd
@@ -8,7 +8,7 @@
 A data.table containing disease groupings following the schemes used in 
 the Royal College of Physicians report 'Hiding in Plain Sight' Chapter 3 \insertCite{RCP2018}{tobalcepi} 
 and \insertCite{Angus2018;textual}{tobalcepi}. 
-Also includes a column of formatted disease names.
+Also includes a column of formatted disease names and an indication of which diseases are related to tobacco only, alcohol only or both
 }
 \usage{
 disease_groups