diff --git a/services/loopback/common/locale/en.json b/services/loopback/common/locale/en.json
index 78b24b9f1..b055144c5 100644
--- a/services/loopback/common/locale/en.json
+++ b/services/loopback/common/locale/en.json
@@ -29,5 +29,5 @@
 	"The credit must be an integer greater than or equal to zero": "The credit must be an integer greater than or equal to zero",
 	"The grade must be an integer greater than or equal to zero": "The grade must be an integer greater than or equal to zero",
 	"Sample type cannot be blank": "Sample type cannot be blank",
-	"The new quantity should be smaller than the old one": "The new quantity should be smaller than the old one"
+	"The new quantity should be smaller than the old one": "La nueva cantidad debe ser menor que la anterior"
 }
\ No newline at end of file