diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..9423c72
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,4 @@
+root = true
+
+[*.rst]
+max_line_length = 72
diff --git a/docs/de/schema.core.rst b/docs/de/schema.core.rst
index b8012f4..3ade61a 100644
--- a/docs/de/schema.core.rst
+++ b/docs/de/schema.core.rst
@@ -111,6 +111,8 @@ Key ``releaseDate``
 -  Example: ``"2017-04-15"``
 
 This key contains the date at which the latest version was released.
+This key is optional if you practice continuous integration and you're
+releasing often.
 
 Key ``logo``
 ~~~~~~~~~~~~
diff --git a/docs/fr/schema.core.rst b/docs/fr/schema.core.rst
index 14a3246..afa6518 100644
--- a/docs/fr/schema.core.rst
+++ b/docs/fr/schema.core.rst
@@ -113,6 +113,8 @@ Clé ``releaseDate``
 -  Exemple: ``"2017-04-15"``
 
 Cette clé contient la date à laquelle la dernière version a été publiée.
+Cette clé est facultative si vous pratiquez l'intégration continue et
+que vous publiez souvent.
 
 Clé ``logo``
 ~~~~~~~~~~~~
diff --git a/docs/it/schema.core.rst b/docs/it/schema.core.rst
index 5ec4692..2cdfcd5 100644
--- a/docs/it/schema.core.rst
+++ b/docs/it/schema.core.rst
@@ -122,6 +122,8 @@ Chiave ``releaseDate``
 -  Esempio: ``"2017-04-15"``
 
 Questa chiave contiene la data di ultimo rilascio del software.
+Questa chiave è opzionale se si pratica l'integrazione continua e si
+rilascia frequentemente.
 
 Chiave ``logo``
 ~~~~~~~~~~~~~~~
diff --git a/docs/standard/schema.core.rst b/docs/standard/schema.core.rst
index a2c36c4..d9a6f07 100644
--- a/docs/standard/schema.core.rst
+++ b/docs/standard/schema.core.rst
@@ -114,6 +114,8 @@ Key ``releaseDate``
 -  Example: ``"2017-04-15"``
 
 This key contains the date at which the latest version was released.
+This key is optional if you practice continuous integration and you're
+releasing often.
 
 Key ``logo``
 ~~~~~~~~~~~~