diff --git a/Data/Abbr/chemistry.csv b/Data/Abbr/chemistry.csv
index 8a66ae7e..1c5fd9c4 100644
--- a/Data/Abbr/chemistry.csv
+++ b/Data/Abbr/chemistry.csv
@@ -889,7 +889,7 @@ rad,radian
 Rad,Radioactive
 Rb,Rubidium
 RBA,Rutherford Backscattering Analysis
-RBD,Refined, Bleached and Deodorized
+RBD,"Refined, Bleached and Deodorized"
 RCS,Reactive Chemical Species
 RDA,Recommended Daily Allowance
 RDT,Recombinant DNA Technology