diff --git a/module/doc/lang/de.php b/module/doc/lang/de.php
index f1a32cc40b..d5351811f0 100644
--- a/module/doc/lang/de.php
+++ b/module/doc/lang/de.php
@@ -665,6 +665,9 @@ $lang->doc->docLang->list                        = $lang->doc->list;
 $lang->doc->docLang->loadingFile                 = 'Downloading document images...';
 $lang->doc->docLang->needEditable                = $lang->doc->needEditable;
 $lang->doc->docLang->addChapter                  = $lang->doc->addChapter;
+$lang->doc->docLang->editChapter                 = $lang->doc->editChapter;
+$lang->doc->docLang->sortChapter                 = $lang->doc->sortChapter;
+$lang->doc->docLang->deleteChapter               = $lang->doc->deleteChapter;
 $lang->doc->docLang->addSubChapter               = $lang->doc->addSubChapter;
 $lang->doc->docLang->addSameChapter              = $lang->doc->addSameChapter;
 $lang->doc->docLang->addSubDoc                   = $lang->doc->addSubDoc;
diff --git a/module/doc/lang/en.php b/module/doc/lang/en.php
index 24da9af72c..bed5b57353 100644
--- a/module/doc/lang/en.php
+++ b/module/doc/lang/en.php
@@ -665,6 +665,9 @@ $lang->doc->docLang->list                        = $lang->doc->list;
 $lang->doc->docLang->loadingFile                 = 'Downloading document images...';
 $lang->doc->docLang->needEditable                = $lang->doc->needEditable;
 $lang->doc->docLang->addChapter                  = $lang->doc->addChapter;
+$lang->doc->docLang->editChapter                 = $lang->doc->editChapter;
+$lang->doc->docLang->sortChapter                 = $lang->doc->sortChapter;
+$lang->doc->docLang->deleteChapter               = $lang->doc->deleteChapter;
 $lang->doc->docLang->addSubChapter               = $lang->doc->addSubChapter;
 $lang->doc->docLang->addSameChapter              = $lang->doc->addSameChapter;
 $lang->doc->docLang->addSubDoc                   = $lang->doc->addSubDoc;
diff --git a/module/doc/lang/fr.php b/module/doc/lang/fr.php
index 4c5b637f5c..e907c07750 100644
--- a/module/doc/lang/fr.php
+++ b/module/doc/lang/fr.php
@@ -665,6 +665,9 @@ $lang->doc->docLang->list                        = $lang->doc->list;
 $lang->doc->docLang->loadingFile                 = 'Downloading document images...';
 $lang->doc->docLang->needEditable                = $lang->doc->needEditable;
 $lang->doc->docLang->addChapter                  = $lang->doc->addChapter;
+$lang->doc->docLang->editChapter                 = $lang->doc->editChapter;
+$lang->doc->docLang->sortChapter                 = $lang->doc->sortChapter;
+$lang->doc->docLang->deleteChapter               = $lang->doc->deleteChapter;
 $lang->doc->docLang->addSubChapter               = $lang->doc->addSubChapter;
 $lang->doc->docLang->addSameChapter              = $lang->doc->addSameChapter;
 $lang->doc->docLang->addSubDoc                   = $lang->doc->addSubDoc;