diff --git a/test/lint/README.md b/test/lint/README.md
index 15974a3598..f415d619ee 100644
--- a/test/lint/README.md
+++ b/test/lint/README.md
@@ -7,6 +7,8 @@ Check for missing documentation of command line options.
 commit-script-check.sh
 ======================
 Verification of [scripted diffs](/doc/developer-notes.md#scripted-diffs).
+Scripted diffs are only assumed to run on the latest LTS release of Ubuntu. Running them on other operating systems
+might require installing GNU tools, such as GNU sed.
 
 git-subtree-check.sh
 ====================