diff --git a/modules/lang/erlang/README.org b/modules/lang/erlang/README.org
index 05ae19fd4..3a2b6be03 100644
--- a/modules/lang/erlang/README.org
+++ b/modules/lang/erlang/README.org
@@ -18,6 +18,9 @@ Includes:
 - +lsp ::
   Enable LSP support for ~erlang-mode~. Requires [[doom-module::tools lsp]] and a langserver
   (supports [[https://github.com/erlang/sourcer][sourcer]]).
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Requires [[doom-module::tools tree-sitter]].
 
 ** Packages
 - [[doom-package:flycheck-rebar3]]
diff --git a/modules/lang/ess/README.org b/modules/lang/ess/README.org
index 1243cd3d1..9637a0683 100644
--- a/modules/lang/ess/README.org
+++ b/modules/lang/ess/README.org
@@ -13,6 +13,9 @@ SAS, Julia and Stata.
 ** Module flags
 - +stan ::
   Enable support for ~stan-mode~, including code completion and syntax checking.
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Currently only supports ~ess-r-mode~. Requires [[doom-module::tools tree-sitter]].
 
 ** Packages
 - [[doom-package:ess]]
diff --git a/modules/lang/lua/README.org b/modules/lang/lua/README.org
index 509f86529..a943df788 100644
--- a/modules/lang/lua/README.org
+++ b/modules/lang/lua/README.org
@@ -22,6 +22,9 @@ This module adds Lua support to Doom Emacs.
 - +lsp ::
   Enable LSP support for ~lua-mode~. Requires [[doom-module::tools lsp]] and a langserver
   (supports EmmyLua, lua-language-server, and lua-lsp).
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Requires [[doom-module::tools tree-sitter]].
 - +moonscript ::
   Enable support for the Moonscript language.
 
diff --git a/modules/lang/yaml/README.org b/modules/lang/yaml/README.org
index 8f238514d..dd87f1fd0 100644
--- a/modules/lang/yaml/README.org
+++ b/modules/lang/yaml/README.org
@@ -13,6 +13,9 @@ This module provides support for the [[https://yaml.org/][YAML file format]] to
 - +lsp ::
   Enable LSP support for ~yaml-mode~. Requires [[doom-module::tools lsp]] and a langserver
   (supports [[https://github.com/redhat-developer/yaml-language-server][yaml-language-server]]).
+- +tree-sitter ::
+  Leverages tree-sitter for better syntax highlighting and structural text
+  editing. Requires [[doom-module::tools tree-sitter]].
 
 ** Packages
 - [[doom-package:yaml-mode]]