diff --git a/cran-comments.md b/cran-comments.md
index ee8b54b..91b8132 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -1,6 +1,6 @@
 ## Test environments
 * Local R installation: R 4.1.1
-* Ubuntu 20.04 (on GitHub Actions): R devel, release, oldrel
+* Ubuntu (on GitHub Actions): R devel, release, oldrel
 * Windows (on GitHub Actions and win-builder): R devel, release, oldrel
 * MacOS (on GitHub Actions): R release
 
diff --git a/revdep/README.md b/revdep/README.md
index 4e59143..460532f 100644
--- a/revdep/README.md
+++ b/revdep/README.md
@@ -10,7 +10,7 @@
 |collate  |fr_FR.UTF-8                  |
 |ctype    |fr_FR.UTF-8                  |
 |tz       |Europe/Paris                 |
-|date     |2021-09-13                   |
+|date     |2021-09-18                   |
 
 # Dependencies
 
diff --git a/vignettes/uml-1.png b/vignettes/uml-1.png
index 3216dd1..5740aac 100644
Binary files a/vignettes/uml-1.png and b/vignettes/uml-1.png differ
diff --git a/vignettes/uml.R b/vignettes/uml.R
index e15ed39..17b5b75 100644
--- a/vignettes/uml.R
+++ b/vignettes/uml.R
@@ -5,12 +5,12 @@ nomnoml::nomnoml("
 [<package>arkhe|
 
 [base::matrix||
- replace_NA();
- replace_Inf();
- replace_zero();
  remove_NA();
+ replace_NA();
  remove_Inf();
+ replace_Inf();
  remove_zero();
+ replace_zero();
  remove_empty()
 ]
 
@@ -18,8 +18,9 @@ nomnoml::nomnoml("
  +samples: character;
  +groups: character;
  +totals: numeric;
- +date_from: integer;
- +date_to: integer|
+ +dates: integer;
+ +tpq: integer;
+ +taq: integer|
  get_samples();
  set_samples();
  has_groups();
@@ -27,8 +28,16 @@ nomnoml::nomnoml("
  set_groups();
  get_totals();
  set_totals();
+ has_dates();
  get_dates();
  set_dates();
+ has_terminus();
+ get_terminus();
+ set_terminus();
+ get_tpq();
+ set_tpq();
+ get_taq();
+ set_taq();
  as_long();
  as_features()
 ]