diff --git a/locale/cs.po b/locale/cs.po
index f8ef41ee..7dc9a2cf 100644
--- a/locale/cs.po
+++ b/locale/cs.po
@@ -936,7 +936,7 @@ msgid "PolySet Cache size"
 msgstr "Velikost PolySet cache"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Povolit současné otevření více dokumentů"
 
 #: objects/ui_Preferences.h:1159
diff --git a/locale/de.po b/locale/de.po
index 5e8f3e33..e25bf35c 100644
--- a/locale/de.po
+++ b/locale/de.po
@@ -956,7 +956,7 @@ msgid "PolySet Cache size"
 msgstr "PolySet Cache Größe"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Öffnen von mehreren Dokumenten erlauben"
 
 #: objects/ui_Preferences.h:1159
diff --git a/locale/es.po b/locale/es.po
index 4fd414ad..07bb0262 100644
--- a/locale/es.po
+++ b/locale/es.po
@@ -993,7 +993,7 @@ msgid "PolySet Cache size"
 msgstr "Tamaño de cache de PolySet"
 
 #: objects/ui_Preferences.h:1159
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Permitir a abrir varios documentos"
 
 #: objects/ui_Preferences.h:1160
diff --git a/locale/fr.po b/locale/fr.po
index e7025cfd..2645e7e5 100644
--- a/locale/fr.po
+++ b/locale/fr.po
@@ -956,7 +956,7 @@ msgid "PolySet Cache size"
 msgstr "Taille du Cache PolySet"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Autoriser l'ouverture de plusieurs documents"
 
 #: objects/ui_Preferences.h:1159
diff --git a/locale/openscad.pot b/locale/openscad.pot
index 4dca7e12..fdcc914c 100644
--- a/locale/openscad.pot
+++ b/locale/openscad.pot
@@ -926,7 +926,7 @@ msgid "PolySet Cache size"
 msgstr ""
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr ""
 
 #: objects/ui_Preferences.h:1159
diff --git a/locale/ru.po b/locale/ru.po
index 6f88e9c7..aa291bb6 100644
--- a/locale/ru.po
+++ b/locale/ru.po
@@ -954,7 +954,7 @@ msgid "PolySet Cache size"
 msgstr "Размер кэша PolySet"
 
 #: objects/ui_Preferences.h:1158
-msgid "Allow to open multiple documents"
+msgid "Allow opening multiple documents"
 msgstr "Разрешить открытие нескольких документов"
 
 #: objects/ui_Preferences.h:1159
diff --git a/src/Preferences.ui b/src/Preferences.ui
index 02e04624..c5352bd6 100644
--- a/src/Preferences.ui
+++ b/src/Preferences.ui
@@ -1333,7 +1333,7 @@
             <item>
              <widget class="QCheckBox" name="mdiCheckBox">
               <property name="text">
-               <string>Allow to open multiple documents</string>
+               <string>Allow opening multiple documents</string>
               </property>
              </widget>
             </item>