diff --git a/readme.md b/readme.md
index f856ad4..5dbe497 100644
--- a/readme.md
+++ b/readme.md
@@ -149,7 +149,7 @@ Check that markdown links and images point to existing local files and headings
 in a Git repo.
 
 > ⚠️ **Important**: The API in Node.js checks links to headings and files but
-> whether headings in other files exist.
+> does not check whether headings in other files exist.
 > The API in browsers only checks links to headings in the same file.
 > The CLI can check everything.