diff --git a/content/en/methods/page/Summary.md b/content/en/methods/page/Summary.md
index 1a4d17bcd..e4542d258 100644
--- a/content/en/methods/page/Summary.md
+++ b/content/en/methods/page/Summary.md
@@ -11,10 +11,14 @@ action:
   signatures: [PAGE.Summary]
 ---
 
+<!-- Do not remove the manual summary divider below. -->
+<!-- If you do, you will break its first literal usage on this page. -->
+<!--more-->
+
 There are three ways to define the [content summary]:
 
 1. Let Hugo create the summary based on the first 70 words. You can change the number of words by setting the `summaryLength` in your site configuration.
-2. Manually split the content with a `<--more-->` tag in Markdown. Everything before the tag is included in the summary.
+2. Manually split the content with a `<!--more-->` tag in Markdown. Everything before the tag is included in the summary.
 3. Create a `summary` field in front matter.
 
 To list the pages in a section with a summary beneath each link: