diff --git a/Project.toml b/Project.toml
index 798be6e..5d575dd 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ThermoState"
 uuid = "e7b6519d-fdf7-4a33-b544-2b37a9c1234a"
 authors = ["Andres Riedemann"]
-version = "0.4.2"
+version = "0.4.3"
 
 [deps]
 Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
diff --git a/README.md b/README.md
index e232f31..32eb026 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,12 @@ At this moment, the following properties are defined:
  - `internal_energy` (`total_internal_energy`,`mol_internal_energy`,`mass_internal_energy`) 
  - `moles`
  - `mass`
+ - `molar_mass` (molecular weight ponderated by material amounts)
+ - `options`
+ - `phase` (extracted from `:sat` or `:phase` keywords)
+ - `vapor_fraction` (`mol_vapor_fraction`,`mass_vapor_fraction`)
+
+
 
 For defining property specifications, the package defines the `AbstractSpec` type and the `Spec` container. an individual specification can be defined by: