diff --git a/doc/development/database/strings_and_the_text_data_type.md b/doc/development/database/strings_and_the_text_data_type.md
index e39c0a647d65f1a18cffeefda7b206a0d4ca960c..8abd728b7f73fa0a5de8a7557fe085af8e1816b2 100644
--- a/doc/development/database/strings_and_the_text_data_type.md
+++ b/doc/development/database/strings_and_the_text_data_type.md
@@ -292,7 +292,7 @@ class ChangeMaintainerNoteLimitInCiRunner < Gitlab::Database::Migration[2.1]
   disable_ddl_transaction!
 
   def up
-    add_text_limit :ci_runners, :maintainer_note, 1024, constraint_name: check_constraint_name(:ci_runners, :maintainer_note, 'max_length_1MB')
+    add_text_limit :ci_runners, :maintainer_note, 1024, constraint_name: check_constraint_name(:ci_runners, :maintainer_note, 'max_length_1K')
     remove_text_limit :ci_runners, :maintainer_note, constraint_name: check_constraint_name(:ci_runners, :maintainer_note, 'max_length')
   end