diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 82e39cc3..537afd06 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -29,8 +29,8 @@ repos:
           - jupyter
 
   # Autoformat: markdown, yaml, javascript (see the file .prettierignore)
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v4.0.0-alpha.8
+  - repo: https://github.com/rbubley/mirrors-prettier
+    rev: v3.6.2
     hooks:
       - id: prettier
         exclude: .*/templates/.*|docs/source/_static/rest-api.yml|docs/source/rbac/scope-table.md
diff --git a/README.md b/README.md
index f3fe336d..77c03428 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,6 @@ for administration of the Hub and its users.
 - A Linux/Unix based system
 - [Python](https://www.python.org/downloads/) 3.8 or greater
 - [nodejs/npm](https://www.npmjs.com/)
-
   - If you are using **`conda`**, the nodejs and npm dependencies will be installed for
     you by conda.
 
diff --git a/docs/source/explanation/websecurity.md b/docs/source/explanation/websecurity.md
index 7b049ed8..3f19e988 100644
--- a/docs/source/explanation/websecurity.md
+++ b/docs/source/explanation/websecurity.md
@@ -186,7 +186,6 @@ For example:
 
 - `Content-Security-Policy` header must prohibit popups and iframes from the same origin.
   The following Content-Security-Policy rules are _insecure_ and readily enable users to access each others' servers:
-
   - `frame-ancestors: 'self'`
   - `frame-ancestors: '*'`
   - `sandbox allow-popups`
diff --git a/docs/source/rbac/tech-implementation.md b/docs/source/rbac/tech-implementation.md
index 7cc1dc66..f41bd12a 100644
--- a/docs/source/rbac/tech-implementation.md
+++ b/docs/source/rbac/tech-implementation.md
@@ -84,7 +84,6 @@ The passed scopes are compared to the scopes required to access the API as follo
 - if the API scopes are present within the set of passed scopes, the access is granted and the API returns its "full" response
 
 - if that is not the case, another check is utilized to determine if subscopes of the required API scopes can be found in the passed scope set:
-
   - if found, the RBAC framework employs the {ref}`filtering <vertical-filtering-target>` procedures to refine the API response to access only resource attributes corresponding to the passed scopes. For example, providing a scope `read:users:activity!group=class-C` for the `GET /users` API will return a list of user models from group `class-C` containing only the `last_activity` attribute for each user model
 
   - if not found, the access to API is denied
diff --git a/docs/source/reference/gallery-jhub-deployments.md b/docs/source/reference/gallery-jhub-deployments.md
index 1995dfb2..e68bc00a 100644
--- a/docs/source/reference/gallery-jhub-deployments.md
+++ b/docs/source/reference/gallery-jhub-deployments.md
@@ -17,11 +17,9 @@ Please submit pull requests to update information or to add new institutions or
 - [BIDS - Berkeley Institute for Data Science](https://bids.berkeley.edu/)
 
 - [Data 8](http://data8.org/)
-
   - [GitHub organization](https://github.com/data-8)
 
 - [NERSC](https://www.nersc.gov/)
-
   - [Press release on Jupyter and Cori](https://www.nersc.gov/news-publications/nersc-news/nersc-center-news/2016/jupyter-notebooks-will-open-up-new-possibilities-on-nerscs-cori-supercomputer/)
   - [Moving and sharing data](https://www.nersc.gov/assets/Uploads/03-MovingAndSharingData-Cholia.pdf)
 
@@ -134,7 +132,6 @@ The [Educational Development and Technology](https://ethz.ch/en/the-eth-zurich/o
 ### University of California San Diego
 
 - San Diego Supercomputer Center - Andrea Zonca
-
   - [Deploy JupyterHub on a Supercomputer with SSH](https://zonca.github.io/2017/05/jupyterhub-hpc-batchspawner-ssh.html)
   - [Run Jupyterhub on a Supercomputer](https://zonca.github.io/2015/04/jupyterhub-hpc.html)
   - [Deploy JupyterHub on a VM for a Workshop](https://zonca.github.io/2016/04/jupyterhub-sdsc-cloud.html)
diff --git a/docs/source/tutorial/quickstart.md b/docs/source/tutorial/quickstart.md
index bb312452..cc5d6b05 100644
--- a/docs/source/tutorial/quickstart.md
+++ b/docs/source/tutorial/quickstart.md
@@ -11,7 +11,6 @@ Before installing JupyterHub, you will need:
   installing Python packages is helpful.
 - [Node.js {{node_min}}](https://www.npmjs.com/) or greater, along with npm. [Install Node.js/npm](https://docs.npmjs.com/getting-started/installing-node),
   using your operating system's package manager.
-
   - If you are using **`conda`**, the nodejs and npm dependencies will be installed for
     you by conda.