diff --git a/tox.ini b/tox.ini
index fbda46de02..9a5065dece 100644
--- a/tox.ini
+++ b/tox.ini
@@ -19,7 +19,7 @@ basepython = python2.7
 deps =
     yamllint>=0.5.2
 commands =
-	yamllint -f parsable -c {toxinidir}/yamllint.yml deliverables
+    yamllint -f parsable -c {toxinidir}/yamllint.yml deliverables
     validate-request {posargs}
 
 [testenv:list-changes]
diff --git a/yamllint.yml b/yamllint.yml
index 9173279bf7..becd1c98e3 100644
--- a/yamllint.yml
+++ b/yamllint.yml
@@ -2,8 +2,8 @@
 extends: default
 
 rules:
-  # 80 chars should be enough, but don't fail if a line is longer
+  # 100 chars should be enough, but don't fail if a line is longer
   line-length:
-    max: 80
+    max: 100
     level: warning
-    allow-non-breakable-words: true
\ No newline at end of file
+    allow-non-breakable-words: true