diff --git a/docs/getting-started/how-to/add-github-codespaces-to-your-project/index.md b/docs/getting-started/how-to/add-github-codespaces-to-your-project/index.md
index 605be3c7..3f09e8af 100644
--- a/docs/getting-started/how-to/add-github-codespaces-to-your-project/index.md
+++ b/docs/getting-started/how-to/add-github-codespaces-to-your-project/index.md
@@ -1,7 +1,7 @@
 This page describes how to add GitHub Codespaces to your project.
 
 !!! warning
-    Codespaces are automatically deleted after a period of inactivity and any changes not pushed to the GitHub repo will be lost.
+    By default, Codespaces are automatically deleted after a period of inactivity and any changes not pushed to the GitHub repo will be lost.
     For the `opensafely` organization,
     this period is 30 days.
 
diff --git a/docs/getting-started/how-to/use-github-codespaces-in-your-project/index.md b/docs/getting-started/how-to/use-github-codespaces-in-your-project/index.md
index 3c9dfa3f..41cc1250 100644
--- a/docs/getting-started/how-to/use-github-codespaces-in-your-project/index.md
+++ b/docs/getting-started/how-to/use-github-codespaces-in-your-project/index.md
@@ -1,7 +1,7 @@
 This page explains how to work with OpenSAFELY projects using GitHub Codespaces.
 
 !!! warning
-    Codespaces are automatically deleted after a period of inactivity and any changes not pushed to the GitHub repo will be lost.
+    By default, Codespaces are automatically deleted after a period of inactivity and any changes not pushed to the GitHub repo will be lost.
     For the `opensafely` organization,
     this period is 30 days.