diff --git a/docs/model-format.man b/docs/model-format.man
index 51636e2..600fb3b 100644
--- a/docs/model-format.man
+++ b/docs/model-format.man
@@ -1,4 +1,4 @@
-.TH FC2D_MODEL 5 "Facecam2D Model Format 0.4 Manual"
+.TH FC2D_MODEL 5 "Facecam2D Model Format 0.5 Manual"
 .
 .SH NAME
 fc2d_model \- Facecam2D model file format
@@ -102,6 +102,27 @@ String: The name of the model (will be displayed in the window title).
 version
 String: A version string for the model (currently unused).
 .
+.TP
+artist
+.ft B
+(Since version 0.5)
+.ft
+String: Name of artist or photographer
+.
+.TP
+modeler
+.ft B
+(Since version 0.5)
+.ft
+String: Name of modeler or rigger
+.
+.TP
+license
+.ft B
+(Since version 0.5)
+.ft
+String: SPDX license identifier (if none model is assumed to be proprietary)
+.
 .
 .SS part
 .TP