diff --git a/src/Units.jl b/src/Units.jl
index 9d7ba803..87109ba9 100644
--- a/src/Units.jl
+++ b/src/Units.jl
@@ -986,8 +986,11 @@ function Unitful.superscript(i::Float64)
     end
 end
 
-function upgrade_GeoUnits(a) 
-    return GEO_units(length = a.length, temperature = a.temperature, stress = a.stress, viscosity = a.viscosity) 
+"""
+Function which recreates an outdated `GeoUnits` object in line with the current format
+"""
+function upgrade_GeoUnits(a)
+    return GEO_units(length = a.length, temperature = a.temperature, stress = a.stress, viscosity = a.viscosity)
 end
 
 end