diff --git a/doc/environments/groupthm/groupthm.dtx b/doc/environments/groupthm/groupthm.dtx
index 026d638..ba92496 100644
--- a/doc/environments/groupthm/groupthm.dtx
+++ b/doc/environments/groupthm/groupthm.dtx
@@ -38,13 +38,8 @@
 % \begin{documentation}
 % 
 % \tableofcontents
-% \listoftodos
-% \newpage
-% 
-% \begin{itemize}
-%   \item potentially: detection of star / nonstar misuse
-%   \item add command to define group rule for all existing groups
-% \end{itemize}
+%
+%
 % A central thing in \LaTeX is the usage of \enquote{theorems}.
 % With \enquote{theorems} we actually mean \enquote{environments} that typically
 % have a title, some style applied to their contents and are numbered throughout 
@@ -137,7 +132,6 @@
 %     Probably because we do not want a reference to it.
 %   \end{theorem*}
 % \end{verbatim}
-% \todo{insert code example output}
 % 
 % \pkg{groupthm} extends this idea and provides a versatile mechanism to define a
 % \meta{theorem family}, which is based on some \meta{theorem name} and
@@ -155,7 +149,6 @@
 %     This theorem has a visual * at its name.
 %   \end{theorem}
 % \end{verbatim}
-% \todo{code}
 % 
 % Providing this consists of two parts:
 % declaring the \meta{theorem family} by listing the groups that can be toggled
@@ -290,7 +283,7 @@
 %   The behavior of the relations is based on the \cs{DeclareHookRule} command
 %   from the \pkg{xparse} package, and all respective keys are in fact available,
 %   but typically not needed, so the reader of this manual is referred to the
-%   \todoref{lthooks} packages documentation for a list of the full keys.
+%   \pkg{lthooks} packages documentation for a list of the full keys.
 %   For us, the following list will suffice:
 % 
 %   \begin{description}
@@ -374,7 +367,8 @@
 % 
 %   The user should not add theorems to this group by hand,
 %   as this is handled in a unified way by default.
-%   \todoref{}
+%   See the documentation for \cs{NewGroupedTheorem}, \cs{NewGroupedTheoremFamily}
+%   and \cs{NewGroupedTheoremFamilyOptions} how this group is treated.
 % 
 %   It is the highest theorem group in the hierarchy by default,
 %   except for \texttt{unnumbered},
@@ -384,6 +378,7 @@
 % 
 % \begin{function}{unnumbered}
 %   Theorems in this group are not numbered.
+%   Versions of all commands exist that add theorems to this group.
 % 
 %  It is the highest theorem group in the hierarchy by default,
 %  except for \cs{starred},
@@ -1157,7 +1152,7 @@
 % 
 % \subsection{Theorem groups}
 %
-% For technical reasons explained in the \todoref section, we need to 
+% For technical reasons, we need to 
 % some arbitrary, but unique total ordering on the set of all defined theorem groups.
 %
 % Since unfortunately (by now) there is no standard mechanism for sorting strings
@@ -2571,11 +2566,5 @@
 % 
 % 
 % 
-% 
-% \ExplSyntaxOn
-% \__codedoc_special_index_module:nnnnN { key } { macro } { module } { main } { \c_false_bool}
-% \__codedoc_special_index_module:nnnnN { l } { bla } { module } { usage } { \c_false_bool}
-% \ExplSyntaxOff
-% 
 % \newpage
 % \PrintIndex
diff --git a/doc/environments/groupthm/groupthm.tdo b/doc/environments/groupthm/groupthm.tdo
index 34830b1..26e58df 100644
--- a/doc/environments/groupthm/groupthm.tdo
+++ b/doc/environments/groupthm/groupthm.tdo
@@ -1,5 +1,4 @@
 \contentsline {todo}{\color@fb@x {}{black}{}{orange}{\leavevmode {\color {orange}o}}\ insert code example output}{4}{section*.3}%
 \contentsline {todo}{\color@fb@x {}{black}{}{orange}{\leavevmode {\color {orange}o}}\ code}{4}{section*.4}%
 \contentsline {todo}{\color@fb@x {}{black}{}{red!40}{\leavevmode {\color {red!40}o}}\ Add reference.}{7}{section*.5}%
-\contentsline {todo}{\color@fb@x {}{black}{}{red!40}{\leavevmode {\color {red!40}o}}\ Add reference.}{8}{section*.6}%
-\contentsline {todo}{\color@fb@x {}{black}{}{red!40}{\leavevmode {\color {red!40}o}}\ Add reference.}{18}{section*.7}%
+\contentsline {todo}{\color@fb@x {}{black}{}{red!40}{\leavevmode {\color {red!40}o}}\ Add reference.}{18}{section*.6}%