diff --git a/doc/languages-frameworks/python.section.md b/doc/languages-frameworks/python.section.md
index d4b3b0d66928..e79a324b236c 100644
--- a/doc/languages-frameworks/python.section.md
+++ b/doc/languages-frameworks/python.section.md
@@ -2121,7 +2121,7 @@ The following rules are desired to be respected:
 * `pythonImportsCheck` is set. This is still a good smoke test even if `pytestCheckHook` is set.
 * `meta.platforms` takes the default value in many cases.
   It does not need to be set explicitly unless the package requires a specific platform.
-* The file is formatted with `nixfmt`.
+* The file is formatted with `nixfmt-rfc-style`.
 * Commit names of Python libraries must reflect that they are Python
   libraries (e.g. `python313Packages.numpy: 1.11 -> 1.12` rather than `numpy: 1.11 -> 1.12`).
 * The current default version of python should be included
diff --git a/pkgs/applications/editors/vscode/extensions/README.md b/pkgs/applications/editors/vscode/extensions/README.md
index 59c45f1b2688..3977dc5a3e13 100644
--- a/pkgs/applications/editors/vscode/extensions/README.md
+++ b/pkgs/applications/editors/vscode/extensions/README.md
@@ -7,7 +7,7 @@
 
 * When adding a new extension, place its definition in a `default.nix` file in a directory with the extension's ID (e.g. `publisher.extension-name/default.nix`) and refer to it in `./default.nix`, e.g. `publisher.extension-name = callPackage ./publisher.extension-name { };`.
 
-* Currently `nixfmt` formatter is being used to format the VSCode extensions.
+* Currently `nixfmt-rfc-style` formatter is being used to format the VSCode extensions.
 
 * Respect `alphabetical order` whenever adding extensions. On disorder, please, kindly open a PR re-establishing the order.
 
diff --git a/pkgs/by-name/ni/nixfmt-tree/package.nix b/pkgs/by-name/ni/nixfmt-tree/package.nix
index 2d5c3a7f1422..d66d23ef3d2e 100644
--- a/pkgs/by-name/ni/nixfmt-tree/package.nix
+++ b/pkgs/by-name/ni/nixfmt-tree/package.nix
@@ -95,7 +95,7 @@ treefmtWithConfig.overrideAttrs {
       You can achieve similar results by manually configuring `treefmt`:
       ```nix
       pkgs.treefmt.withConfig {
-        runtimeInputs = [ pkgs.nixfmt ];
+        runtimeInputs = [ pkgs.nixfmt-rfc-style ];
 
         settings = {
           # Log level for files treefmt won't format