doc: improve vimtex-grammar, mention angryreviewer

refer: #2354

doc/vimtex.txt

@@ -4971,34 +4971,37 @@ Finally, for more full-fledged linting in Vim, see the plug-ins mentioned in
 GRAMMAR CHECKING                                               *vimtex-grammar*
 
 VimTeX provides several compilers for grammar checking TeX files through the
-|compiler-select| feature in Vim:
+|compiler-select| feature in Vim. A compiler may be activated with the
+|:compiler| command (see |vimtex-lint| above for some more tips on how to use
+this feature). The selected compiler may then be used e.g. with |:make| or
+|:lmake|. As an example, one may do the following to use the |location-list|
+with a given checker: >
 
-  style-check~
-    https://github.com/nspring/style-check.git
+    :compiler {checker}|lmake
+
+The following is a list of the available checkers:
 
   textidote~
     See more details here: |vimtex-grammar-textidote|
 
   vlty~
     See more details here: |vimtex-grammar-vlty|
 
-A compiler may be activated with the |:compiler| command. The selected compiler
-may then be used e.g. with |:make| or |:lmake|. As an example, one may do the
-following to use the |location-list| with a given checker: >
-
-    :compiler {checker}|lmake
-
-See |vimtex-lint| above for some tips on how to use this feature. The
-following is a list of the available checkers:
+  style-check~
+    https://github.com/nspring/style-check.git
 
 The language of the Tex file is determined by the option |'spelllang'|. This
 option can be specified in ones vimrc file, but it can also be specified in
 a |modeline| (see also the user manual section |21.6| for a gentle
 introduction to the use of modelines).
 
-Finally, one should also notice the LTeX project. It is a grammar and spell
-checking tool available as a language server. See |vimtex-af-lsp| for more
-info.
+Other possibilities for grammar and language checking are:
+* The LTeX project: a grammar and spell checking tool available as a language
+  server. See |vimtex-af-lsp| for more info.
+* Angry Reviewer: An off-line vim plugin for the AngryReviewer service that
+  provides style suggestions for academic and scientific text in the quickfix
+  list.
+  https://github.com/anufrievroman/vim-angry-reviewer
 
 ------------------------------------------------------------------------------
 TEXTIDOTE                                            *vimtex-grammar-textidote*