diff --git a/lang/de.yml b/lang/de.yml
index 39b3ea1..c08b4af 100644
--- a/lang/de.yml
+++ b/lang/de.yml
@@ -397,7 +397,9 @@ text_journal_deleted: gelöscht
text_tip_task_begin_day: Aufgabe, die an diesem Tag beginnt
text_tip_task_end_day: Aufgabe, die an diesem Tag beendet
text_tip_task_begin_end_day: Aufgabe, die an diesem Tag beginnt und beendet
-text_project_identifier_info: '12 characters maximum. Letters (a-z), numbers (0-9) and dashes allowed. Once saved, the identifier can not be changed.'
+text_project_identifier_info: 'Lower case letters (a-z), numbers and dashes allowed. Once saved, the identifier can not be changed.'
+text_caracters_maximum: %d characters maximum.
+text_length_between: Length between %d and %d characters.
default_role_manager: Manager
default_role_developper: Developer
diff --git a/lang/en.yml b/lang/en.yml
index 4f0cbe9..4ce8bcb 100644
--- a/lang/en.yml
+++ b/lang/en.yml
@@ -397,7 +397,9 @@ text_journal_deleted: deleted
text_tip_task_begin_day: task beginning this day
text_tip_task_end_day: task ending this day
text_tip_task_begin_end_day: task beginning and ending this day
-text_project_identifier_info: '12 characters maximum. Letters (a-z), numbers (0-9) and dashes allowed. Once saved, the identifier can not be changed.'
+text_project_identifier_info: 'Lower case letters (a-z), numbers and dashes allowed. Once saved, the identifier can not be changed.'
+text_caracters_maximum: %d characters maximum.
+text_length_between: Length between %d and %d characters.
default_role_manager: Manager
default_role_developper: Developer
diff --git a/lang/es.yml b/lang/es.yml
index 7b05f37..a201484 100644
--- a/lang/es.yml
+++ b/lang/es.yml
@@ -397,7 +397,9 @@ text_journal_deleted: suprimido
text_tip_task_begin_day: tarea que comienza este día
text_tip_task_end_day: tarea que termina este día
text_tip_task_begin_end_day: tarea que comienza y termina este día
-text_project_identifier_info: '12 characters maximum. Letters (a-z), numbers (0-9) and dashes allowed. Once saved, the identifier can not be changed.'
+text_project_identifier_info: 'Lower case letters (a-z), numbers and dashes allowed. Once saved, the identifier can not be changed.'
+text_caracters_maximum: %d characters maximum.
+text_length_between: Length between %d and %d characters.
default_role_manager: Manager
default_role_developper: Desarrollador
diff --git a/lang/fr.yml b/lang/fr.yml
index 564b5fe..8b52ac5 100644
--- a/lang/fr.yml
+++ b/lang/fr.yml
@@ -397,7 +397,9 @@ text_journal_deleted: supprimé
text_tip_task_begin_day: tâche commençant ce jour
text_tip_task_end_day: tâche finissant ce jour
text_tip_task_begin_end_day: tâche commençant et finissant ce jour
-text_project_identifier_info: '12 caractères maximum. Lettres (a-z), chiffres (0-9) et tirets autorisés. Un fois sauvegardé, l''identifiant ne pourra plus être modifié.'
+text_project_identifier_info: 'Lettres minuscules (a-z), chiffres et tirets autorisés. Un fois sauvegardé, l''identifiant ne pourra plus être modifié.'
+text_caracters_maximum: %d caractères maximum.
+text_length_between: Longueur comprise entre %d et %d caractères.
default_role_manager: Manager
default_role_developper: Développeur
diff --git a/lang/it.yml b/lang/it.yml
index fc2d405..daaed6b 100644
--- a/lang/it.yml
+++ b/lang/it.yml
@@ -397,7 +397,9 @@ text_journal_deleted: deleted
text_tip_task_begin_day: task beginning this day
text_tip_task_end_day: task ending this day
text_tip_task_begin_end_day: task beginning and ending this day
-text_project_identifier_info: '12 characters maximum. Letters (a-z), numbers (0-9) and dashes allowed. Once saved, the identifier can not be changed.'
+text_project_identifier_info: 'Lower case letters (a-z), numbers and dashes allowed. Once saved, the identifier can not be changed.'
+text_caracters_maximum: %d characters maximum.
+text_length_between: Length between %d and %d characters.
default_role_manager: Manager
default_role_developper: Sviluppatore
diff --git a/lang/ja.yml b/lang/ja.yml
index db4335c..bbeb6d4 100644
--- a/lang/ja.yml
+++ b/lang/ja.yml
@@ -398,7 +398,9 @@ text_journal_deleted: 削除
text_tip_task_begin_day: この日に開始するタスク
text_tip_task_end_day: この日に終了するタスク
text_tip_task_begin_end_day: この日のうちに開始して終了するタスク
-text_project_identifier_info: '12 characters maximum. Letters (a-z), numbers (0-9) and dashes allowed. Once saved, the identifier can not be changed.'
+text_project_identifier_info: 'Lower case letters (a-z), numbers and dashes allowed. Once saved, the identifier can not be changed.'
+text_caracters_maximum: %d characters maximum.
+text_length_between: Length between %d and %d characters.
default_role_manager: 管理者
default_role_developper: 開発者
diff --git a/lang/zh.yml b/lang/zh.yml
index a0508d3..5ffcb15 100644
--- a/lang/zh.yml
+++ b/lang/zh.yml
@@ -400,7 +400,9 @@ text_journal_deleted: 已删除
text_tip_task_begin_day: 开始于此
text_tip_task_end_day: 在此结束
text_tip_task_begin_end_day: 开始并结束于此
-text_project_identifier_info: '12 characters maximum. Letters (a-z), numbers (0-9) and dashes allowed. Once saved, the identifier can not be changed.'
+text_project_identifier_info: 'Lower case letters (a-z), numbers and dashes allowed. Once saved, the identifier can not be changed.'
+text_caracters_maximum: %d characters maximum.
+text_length_between: Length between %d and %d characters.
default_role_manager: 管理员
default_role_developper: 开发人员