diff --git a/datasets/WNAI/codes.csv b/datasets/WNAI/codes.csv
index e5de115..76e61a3 100644
--- a/datasets/WNAI/codes.csv
+++ b/datasets/WNAI/codes.csv
@@ -214,10 +214,10 @@ WNAI65,1,Lower Austral,Lower Austral
WNAI65,2,Upper Austral,Upper Austral
WNAI65,3,Transition,Transition
WNAI65,4,Canadian,Canadian
-WNAI65,5,1 and 2,2 and 2
-WNAI65,6,2 and 3,3 and 3
-WNAI65,7,3 and 4,4 and 4
-WNAI65,8,1 and 2 and 3,"1,2 and 4"
+WNAI65,5,1 and 2,1 and 2
+WNAI65,6,2 and 3,2 and 3
+WNAI65,7,3 and 4,3 and 4
+WNAI65,8,1 and 2 and 3,"1,2 and 3"
WNAI65,9,2 and 3 and 4,"2,3 and 4"
WNAI66,NA,Missing data,Missing data
WNAI66,1,Absent or very rare,Absent or very rare
@@ -308,9 +308,9 @@ WNAI94,1,Absent or very rare,Absent or very rare
WNAI94,2,Present,Present
WNAI95,NA,Missing data,Missing data
WNAI95,1,None,None
-WNAI95,2,1-5,11-15
+WNAI95,2,1-5,1-5
WNAI95,3,6-10,6-10
-WNAI95,4,11-15,1-5
+WNAI95,4,11-15,11-15
WNAI95,5,16-20,16-20
WNAI95,6,21-25,21-25
WNAI95,7,26-29,26-30
@@ -375,9 +375,9 @@ WNAI114,1,Absent or very rare,Absent or very rare
WNAI114,2,Present,Present
WNAI115,NA,Missing data,Missing data
WNAI115,1,Absent or very rare,Absent or very rare
-WNAI115,2,1-5,11-15
-WNAI115,3,6-10,5-10
-WNAI115,4,11-15,1-5
+WNAI115,2,1-5,1-5
+WNAI115,3,6-10,6-10
+WNAI115,4,11-15,11-15
WNAI115,5,16-19,16-19
WNAI116,NA,Missing data,Missing data
WNAI116,1,Absent or very rare,Absent or very rare
diff --git a/datasets/WNAI/societies.csv b/datasets/WNAI/societies.csv
index 23c8034..00f855c 100644
--- a/datasets/WNAI/societies.csv
+++ b/datasets/WNAI/societies.csv
@@ -1,6 +1,6 @@
id,xd_id,pref_name_for_society,glottocode,ORIG_name_and_ID_in_this_dataset,alt_names_by_society,main_focal_year,HRAF_name_ID,HRAF_link,origLat,origLong,Lat,Long,Comment,glottocode_comment
WNAI1,xd1431,North Tlingit,tlin1245,North Tlingit (J1),North Tlinkit,NA,Tlingit (NA12),http://ehrafworldcultures.yale.edu/collection?owc=NA12,59,136,59,-136,Original,"Note northern and southern tlingit considered distinct dialects of tli by some, but no codes available in Glottolog."
-WNAI2,xd1082,Tlingit,tlin1245,South Tlingit (J2),"Kolosh, Southern Tlingit, South Tlingit",NA,Tlingit (NA12),http://ehrafworldcultures.yale.edu/collection?owc=NA12,57,134,57,-133.59,Revised,"Note northern and southern tlingit considered distinct dialects of tli by some, but no codes available in Glottolog."
+WNAI2,xd1082,South Tlingit,tlin1245,South Tlingit (J2),"Kolosh, Southern Tlingit, South Tlingit",NA,Tlingit (NA12),http://ehrafworldcultures.yale.edu/collection?owc=NA12,57,134,57,-133.59,Revised,"Preferred name updated 9May2019 to distinguish from North Tlingit. Note northern and southern tlingit considered distinct dialects of tli by some, but no codes available in Glottolog."
WNAI3,xd1068,Haida (Northern),nort2938,North Masset Haida (J3),North Masset Haida,NA,,,54,132,54,-132,Original,
WNAI4,xd1438,Haida (Southern),sout2956,South Skidegate Haida (J4),South Skidegate Haida,NA,Haida (NE09),http://ehrafworldcultures.yale.edu/collection?owc=NE09,53,133,53.09,-132.1,Revised,
WNAI5,xd1104,Tsimshian,nucl1649,Tsimshian (J5),Ts’msyan,NA,,,55.3,130,55.3,-130.05,Revised,
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