diff --git a/docs/source/devguide/styleguide.rst b/docs/source/devguide/styleguide.rst
index faeb37e230..44d80915e0 100644
--- a/docs/source/devguide/styleguide.rst
+++ b/docs/source/devguide/styleguide.rst
@@ -22,7 +22,8 @@ To ensure consistent styling with little effort, this project uses `clang-format
 ``.clang-format`` file that can be used to automatically apply a consistent
 format. The easiest way to use clang-format is to run
 ``tools/dev/install-commit-hooks.sh`` to install a post-commit hook that gets
-executed each time a commit is made. In addition, you may want to configure your
+executed each time a commit is made. Note that this script requires that you
+already have clang-format installed. In addition, you may want to configure your
 editor/IDE to automatically runs clang-format using the ``.clang-format`` file
 whenever a file is saved. For example, `Visual Studio Code
 <https://code.visualstudio.com/docs/cpp/cpp-ide#_code-formatting>`_ includes
diff --git a/docs/source/devguide/workflow.rst b/docs/source/devguide/workflow.rst
index 44c0bbc5d5..57f2b1c68f 100644
--- a/docs/source/devguide/workflow.rst
+++ b/docs/source/devguide/workflow.rst
@@ -69,8 +69,9 @@ features and bug fixes. The general steps for contributing are as follows:
 
 3. Run ``tools/dev/install-commit-hooks.sh`` to install a post-commit hook that
    runs clang-format on C++ files to apply :ref:`automatic code formatting
-   <styleguide_formatting>`. In addition, you may want to configure your text
-   editor to automatically run clang-format when saving C++ files.
+   <styleguide_formatting>` (requires that clang-format already be installed).
+   In addition, you may want to configure your text editor to automatically run
+   clang-format when saving C++ files.
 
 3. Make your changes on the new branch that you intend to have included in
    *develop*. If you have made other changes that should not be merged back,