diff --git a/config/default.yml b/config/default.yml
index cfc3bb8a194..f28931c59e3 100644
--- a/config/default.yml
+++ b/config/default.yml
@@ -861,7 +861,7 @@ Layout/LineLength:
   StyleGuide: '#80-character-limits'
   Enabled: true
   VersionAdded: '0.25'
-  VersionChanged: '1.0'
+  VersionChanged: '0.84'
   AutoCorrect: false
   Max: 120
   # To make it possible to copy or click on URIs in the code, we allow lines
diff --git a/manual/cops_layout.md b/manual/cops_layout.md
index f328cb9c9f0..0f0427fb3eb 100644
--- a/manual/cops_layout.md
+++ b/manual/cops_layout.md
@@ -3000,7 +3000,7 @@ end
 
 Enabled by default | Safe | Supports autocorrection | VersionAdded | VersionChanged
 --- | --- | --- | --- | ---
-Enabled | Yes | Yes  | 0.25 | 1.0
+Enabled | Yes | Yes  | 0.25 | 0.84
 
 This cop checks the length of lines in the source code.
 The maximum length is configurable.