diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac3aa6b..465b53f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -80,7 +80,7 @@ Version 0.98u
 Version 0.98t
 
 ### Changed 
- - add RoleMap also with pdf 2.0 to improve compability to 1.7-processor
+ - add RoleMap also with pdf 2.0 to improve compatibility to 1.7-processor
  - add option 'mathml-tags' to add mathml to this fallback RoleMap  
 
 ## [2024-01-19]
diff --git a/doc/tagpdf.tex b/doc/tagpdf.tex
index e023ba6..20e5bcb 100644
--- a/doc/tagpdf.tex
+++ b/doc/tagpdf.tex
@@ -1271,7 +1271,7 @@ \subsubsection{Tips}
   command that saves the text internally in a box): If the box is used
   directly, there is probably no problem. If the use is later, stash
   the marked content and add the needed \verb+\tagmcuse+ directly
-  before oder after the box when you use it.
+  before or after the box when you use it.
 
 \item Don't use a saved box with markers twice.
 
@@ -2925,7 +2925,7 @@ \subsection{Changes in version 0.93}
     \texttt{root-AF}) has been added. This allow e.g. to add a css-file 
     which is be used if the \PDF\ is converted to html. 
 
-\item First steps have been done to adapt the package to planed changes 
+\item First steps have been done to adapt the package to planned changes 
     in \LaTeX{}: The command \cs{DocumentMetadata} will be added to the 
     format and will take over the role of \cs{DeclareDocumentMetadata} 
     from \pkg{pdfmanagement-testphase} and additionally will also load 
diff --git a/doc/tagpdfdocu-patches.sty b/doc/tagpdfdocu-patches.sty
index 38a5f01..7111f6c 100644
--- a/doc/tagpdfdocu-patches.sty
+++ b/doc/tagpdfdocu-patches.sty
@@ -92,7 +92,7 @@
 % the before upper setting is dangerous as it can be overwritten by
 % users. So a more stable hook is needed.
 % we force also a \par and add a div structure, to avoid clashes with the block
-% tagging code. This needs revisting!
+% tagging code. This needs revisiting!
 
 \AddToHook{env/tcolorbox/before}{\par\tagstructbegin{tag=Div}}
 \AddToHook{env/tcolorbox/begin}{\tagpdfparaOff \tcbset{before upper=\tagpdfparaOn}}
diff --git a/doc/tagpdfsetup-keys.md b/doc/tagpdfsetup-keys.md
index 673138b..f2ad532 100644
--- a/doc/tagpdfsetup-keys.md
+++ b/doc/tagpdfsetup-keys.md
@@ -1,6 +1,6 @@
 # Sorting the tagpdfsetup keys
 
-The keys are split in a number of key pathes. 
+The keys are split in a number of key paths. 
 
 ## Unhandled key
 
diff --git a/doc/tagpdfsetup-keys.tex b/doc/tagpdfsetup-keys.tex
index 2484a42..04f8b88 100644
--- a/doc/tagpdfsetup-keys.tex
+++ b/doc/tagpdfsetup-keys.tex
@@ -1,5 +1,5 @@
 %% Overview over tagpdfsetup keys
-%% The keys are split in a number of key pathes. 
+%% The keys are split in a number of key paths. 
 \tagpdfsetup{table/header-rows=1}
 \begin{tabular}{lllll}
 \toprule
diff --git a/tagpdf-backend.dtx b/tagpdf-backend.dtx
index 0f388b2..6089326 100644
--- a/tagpdf-backend.dtx
+++ b/tagpdf-backend.dtx
@@ -196,8 +196,8 @@ ltx.@@.page   will contain page data
 ltx.@@.tables contains also data from mc and struct (from older code). This needs cleaning up.
              There are certainly dublettes, but I don't dare yet ...
 ltx.@@.func   will contain (public) functions.
-ltx.@@.trace  will contain tracing/loging functions.
-local funktions starts with __
+ltx.@@.trace  will contain tracing/logging functions.
+local functions starts with __
 functions meant for users will be in ltx.tag
 
 functions
@@ -210,7 +210,7 @@ functions
  ltx.@@.func.store_mc_kid (mcnum,kid,page): stores the mc-kids of mcnum on page page
  ltx.@@.func.store_mc_in_page(mcnum,mcpagecnt,page): stores in the page table the number of mcnum on this page
  ltx.@@.func.store_struct_mcabs (structnum,mcnum): stores relations structnum<->mcnum (abs)
- ltx.@@.func.mc_insert_kids (mcnum): inserts the /K entries for mcnum by wandering throught the [kids] table
+ ltx.@@.func.mc_insert_kids (mcnum): inserts the /K entries for mcnum by wandering through the [kids] table
  ltx.@@.func.mark_page_elements(box,mcpagecnt,mccntprev,mcopen,name,mctypeprev) : the main function
  ltx.@@.func.mark_shipout (): a wrapper around the core function which inserts the last EMC
  ltx.@@.func.fill_parent_tree_line (page): outputs the entries of the parenttree for this page
@@ -827,7 +827,7 @@ end
 %    @@_activate_mark_space,
 %    ltx.@@.func.markspaceoff
 %    }
-% Theses functions add/remove the function which marks the spaces to the callbacks
+% These functions add/remove the function which marks the spaces to the callbacks
 % |pre_linebreak_filter| and |hpack_filter|
 %    \begin{macrocode}
 local function @@_activate_mark_space ()
diff --git a/tagpdf-checks.dtx b/tagpdf-checks.dtx
index f786ede..56973c6 100644
--- a/tagpdf-checks.dtx
+++ b/tagpdf-checks.dtx
@@ -74,7 +74,7 @@
 % It relies currently on that the code, that saved the box, correctly sets 
 % the command \verb+\l_tag_box_\int_use:N #1_tl+ to a positive value. 
 % The LaTeX commands will do that automatically
-% at some time but it is in the responsability of the user to 
+% at some time but it is in the responsibility of the user to 
 % ensure that when using low-level code.
 % If the internal command doesn't exist the box is assumed to be untagged.
 % \end{function}
@@ -639,7 +639,7 @@
 % It relies on that the code that saved the box correctly set 
 % \verb+\l_tag_box_<box number>_tl+ to a positive value. 
 % The LaTeX commands will do that automatically
-% at some time but it is in the responsability of the user to 
+% at some time but it is in the responsibility of the user to 
 % ensure that when using low-level code.
 % If the internal command doesn't exist the box is assumed to be untagged.
 %    \begin{macrocode}
diff --git a/tagpdf-data.dtx b/tagpdf-data.dtx
index d8cba42..20811c8 100644
--- a/tagpdf-data.dtx
+++ b/tagpdf-data.dtx
@@ -58,7 +58,7 @@
 % \section{The LaTeX namespace}
 % This is the main new namespace. It is bound to change a lot!
 % It lists the new tag, the rolemap and the namespace of the rolemap.
-% latex-lab has also a namespace module, which takes precendence!
+% latex-lab has also a namespace module, which takes precedence!
 %    \begin{macrocode}
 %<*ns-latex>
 %% \ProvidesExplFile {tagpdf-ns-latex.def} {2024-04-12} {0.99b}
@@ -430,7 +430,7 @@ xor,xor,mathml,
 % \section{Rule naming}
 % \begin{macro}{\c_@@_role_rules_prop}
 % These two properties map the rule strings to numbers and back.
-% There are in tagpdf-data.dtx near the csv files for easier maintainance.
+% There are in tagpdf-data.dtx near the csv files for easier maintenance.
 %    \begin{macrocode}
 %<*package>
 \prop_const_from_keyval:Nn \c_@@_role_rules_prop
diff --git a/tagpdf-mc-generic.dtx b/tagpdf-mc-generic.dtx
index b1ce874..193403f 100644
--- a/tagpdf-mc-generic.dtx
+++ b/tagpdf-mc-generic.dtx
@@ -393,12 +393,12 @@
 %  \end{macro}
 
 %  \begin{macro}{\@@_add_missing_mcs_to_stream:Nn}
-%    This is the main command to add mc to the stream. It is therefor
+%    This is the main command to add mc to the stream. It is therefore
 %    guarded by the mc-boolean.
 %
 %    If we aren't in the main stream then processing is a bit more
 %    complicated because to get at the marks in the box we need to
-%    artifically split it and then look at the split marks.
+%    artificially split it and then look at the split marks.
 %
 %    First argument is the box to update and the second is the \enquote{stream}.
 %    In lua mode the command is a no-op.
diff --git a/tagpdf-mc-luacode.dtx b/tagpdf-mc-luacode.dtx
index 9db6cc9..5ed0a01 100644
--- a/tagpdf-mc-luacode.dtx
+++ b/tagpdf-mc-luacode.dtx
@@ -49,7 +49,7 @@
 % \date{Version 0.99b, released 2024-04-12}
 % \maketitle
 % \begin{implementation}
-% The code is splitted into three parts: code shared by all engines,
+% The code is split into three parts: code shared by all engines,
 % code specific to luamode and code not used by luamode.
 %
 % \section{Marked content code -- luamode code}
diff --git a/tagpdf-mc-shared.dtx b/tagpdf-mc-shared.dtx
index aeadb88..853b777 100644
--- a/tagpdf-mc-shared.dtx
+++ b/tagpdf-mc-shared.dtx
@@ -175,7 +175,7 @@
 % \end{function}
 % \end{documentation}
 % \begin{implementation}
-% The code is splitted into three parts: code shared by all engines,
+% The code is split into three parts: code shared by all engines,
 % code specific to luamode and code not used by luamode.
 % \section{Marked content code -- shared}
 %    \begin{macrocode}
diff --git a/tagpdf-roles.dtx b/tagpdf-roles.dtx
index de239c2..3d2a8db 100644
--- a/tagpdf-roles.dtx
+++ b/tagpdf-roles.dtx
@@ -33,7 +33,7 @@
 %</driver>
 % \fi
 % \title{^^A
-%   The \pkg{tagpdf-roles} module\\ Tags, roles and namesspace code   ^^A
+%   The \pkg{tagpdf-roles} module\\ Tags, roles and namespace code   ^^A
 %   \\ Part of the tagpdf package
 % }
 %
@@ -190,7 +190,7 @@
 % \end{variable}
 %
 % \begin{variable}{\g_@@_role_tags_class_prop}
-% With pdf 2.0 we store the class in the NS dependant props. 
+% With pdf 2.0 we store the class in the NS dependent props. 
 % With pdf <2.0 we store for now the type(s) of a tag in a common
 % prop. 
 % Tags that are rolemapped should get the type from
diff --git a/tagpdf-space.dtx b/tagpdf-space.dtx
index 62c9fd1..297dda3 100644
--- a/tagpdf-space.dtx
+++ b/tagpdf-space.dtx
@@ -58,7 +58,7 @@
 % This key is deprecated. Use |debug/show=spaces| instead. 
 % This key works only with luatex and shows with small red
 % bars where spaces have been inserted. This is only for debugging and
-% is not completly reliable (and change affect other literals and tagging), so it
+% is not completely reliable (and change affect other literals and tagging), so it
 % should be used with care.
 % \end{function}
 % \end{documentation}
@@ -71,7 +71,7 @@
 %</header>
 %    \end{macrocode}
 % \section{Code for interword spaces}
-% The code is engine/backend dependant. Basically only pdftex and luatex
+% The code is engine/backend dependent. Basically only pdftex and luatex
 % support real space chars. Most of the code for luatex which uses attributes
 % is in the lua code, here are only the keys.
 %
diff --git a/tagpdf-struct.dtx b/tagpdf-struct.dtx
index 04ffa90..460b6a0 100644
--- a/tagpdf-struct.dtx
+++ b/tagpdf-struct.dtx
@@ -95,7 +95,7 @@
 % This inserts an annotation in the structure. \meta{object reference}
 % is there reference to the annotation. \meta{struct parent number}
 % should be the same number as had been inserted with \cs{tag_struct_parent_int:}
-% as |StructParent| value to the dictionary of the annotion.
+% as |StructParent| value to the dictionary of the annotation.
 % The command will increase the value of the counter
 % used by \cs{tag_struct_parent_int:}.
 % \end{function}
@@ -147,7 +147,7 @@
 % needed as you can only use structures already defined), and by the
 % |ref| key (which can refer to future structures).
 % Internally the label name will start with \texttt{tagpdfstruct-} and it stores
-% the two attributs |tagstruct| (the structure number) and |tagstructobj| (the
+% the two attributes |tagstruct| (the structure number) and |tagstructobj| (the
 % object reference).
 % \end{function}
 % \begin{function}{parent (struct-key)}
@@ -323,7 +323,7 @@
 % in generic mode it can happen after
 % a page break that we have to inject into a structure
 % sequence an additional mc after. We will store this additional
-% info in a property. The key is the absolut mc num, the value the pdf directory.
+% info in a property. The key is the absolute mc num, the value the pdf directory.
 %    \begin{macrocode}
 \@@_prop_new:N  \g_@@_struct_cont_mc_prop
 %    \end{macrocode}
@@ -419,7 +419,7 @@
     T,                 %title, value in () or <>
     Lang,              %language
     Alt,               % value in () or <>
-    E,                 % abreviation
+    E,                 % abbreviation
     ActualText,
     AF,                 %pdf 2.0, array of dict, associated files
     NS,                 %pdf 2.0, dict, namespace
@@ -902,7 +902,7 @@
 % Basically it does what |\pdfdict_use:n| does.
 % This is used a lot so should be rather fast.
 %    \begin{macrocode}
-\cs_new_protected:Npn \@@_struct_get_dict_content:nN #1 #2 %#1: stucture num
+\cs_new_protected:Npn \@@_struct_get_dict_content:nN #1 #2 %#1: structure num
   {
     \tl_clear:N #2
     \prop_map_inline:cn { g_@@_struct_#1_prop }
@@ -1270,7 +1270,7 @@
 % extension.
 % AF/AFref is an array and can be used more than once, so we store it in a tl.
 % which is expanded.
-% AFinline currently uses the fix extention txt. 
+% AFinline currently uses the fix extension txt. 
 % texsource is a special variant which creates a tex-file, it expects a
 % tl-var as value (e.g. from math grabbing)
 % 
@@ -1962,7 +1962,7 @@
 \tl_new:N   \l_@@_attr_value_tl
 \prop_new:N \g_@@_attr_objref_prop %will contain obj num of used attributes
 %    \end{macrocode}
-% This seq is currently kept for compability with the table code.
+% This seq is currently kept for compatibility with the table code.
 %    \begin{macrocode}
 \seq_new:N\g_@@_attr_class_used_seq
 %    \end{macrocode}
diff --git a/tagpdf-tree.dtx b/tagpdf-tree.dtx
index 6319250..9b643f5 100644
--- a/tagpdf-tree.dtx
+++ b/tagpdf-tree.dtx
@@ -506,7 +506,7 @@
   {
     \tl_clear:N \l_@@_tmpa_tl
 %    \end{macrocode}
-% We process the older sec for compability with the table code. 
+% We process the older sec for compatibility with the table code. 
 % TODO: check if still needed
 %    \begin{macrocode}
     \seq_map_inline:Nn \g_@@_attr_class_used_seq
diff --git a/tagpdf-user.dtx b/tagpdf-user.dtx
index 099cd95..5accebd 100644
--- a/tagpdf-user.dtx
+++ b/tagpdf-user.dtx
@@ -848,7 +848,7 @@
   }
 %    \end{macrocode}
 % \end{macro}
-% TEMPORARLY FIX (2023-11-17). Until latex-lab is updated we must adapt a sec command:
+% TEMPORARY FIX (2023-11-17). Until latex-lab is updated we must adapt a sec command:
 %    \begin{macrocode}
 \AddToHook{package/latex-lab-testphase-sec/after}
  {