diff --git a/src/content/docs/rules/custom-errors/troubleshooting.mdx b/src/content/docs/rules/custom-errors/troubleshooting.mdx
index f4c3c5a3bb917a..639358ddc5b04d 100644
--- a/src/content/docs/rules/custom-errors/troubleshooting.mdx
+++ b/src/content/docs/rules/custom-errors/troubleshooting.mdx
@@ -35,7 +35,7 @@ You cannot customize the following 1XXX errors via Error Pages:
 
 ## Custom error page size
 
-Your custom error page cannot be blank and cannot exceed 1.5 MB in size. To avoid exceeding the custom error page limit, preview your page to check its size before publishing.
+Your custom error page cannot be blank and cannot exceed 1.5 MB in size (1,500,000 characters). To avoid exceeding the custom error page limit, preview your page to check its size before publishing.
 
 ## General troubleshooting advice