diff --git a/htdocs/langs/ca_ES/other.lang b/htdocs/langs/ca_ES/other.lang
index 2a04a41acca..3fb723b405c 100644
--- a/htdocs/langs/ca_ES/other.lang
+++ b/htdocs/langs/ca_ES/other.lang
@@ -89,9 +89,9 @@ SurfaceUnitmm2 = mm2
 Volume = Volum
 TotalVolume = Volum total
 VolumeUnitm3 = m3
-VolumeUnitdm3 = dm3
-VolumeUnitcm3 = cm3
-VolumeUnitmm3 = mm3
+VolumeUnitdm3 = dm3 (l)
+VolumeUnitcm3 = cm3 (ml)
+VolumeUnitmm3 = mm3 (µl)
 Size = tamany
 SizeUnitm = m
 SizeUnitdm = dm
diff --git a/htdocs/langs/es_ES/other.lang b/htdocs/langs/es_ES/other.lang
index e1c8da344c2..54d4ec82bc3 100644
--- a/htdocs/langs/es_ES/other.lang
+++ b/htdocs/langs/es_ES/other.lang
@@ -89,9 +89,9 @@ SurfaceUnitmm2 = mm2
 Volume = Volumen
 TotalVolume = Volumen total
 VolumeUnitm3 = m3
-VolumeUnitdm3 = dm3
-VolumeUnitcm3 = cm3
-VolumeUnitmm3 = mm3
+VolumeUnitdm3 = dm3 (l)
+VolumeUnitcm3 = cm3 (ml)
+VolumeUnitmm3 = mm3 (µl)
 Size = tamaño
 SizeUnitm = m
 SizeUnitdm = dm