This string was translated manually in lib/layouttranslations, but not in
ar.po. If this is the correct translation for document output, then it is
certainly also correct for the user interface.
#: lib/layouts/theorems-ams-extended.module:302
#: lib/layouts/theorems-ams-extended.module:305
msgid "Acknowledgement"
-msgstr ""
+msgstr "اعتراف بالجميل"
#: lib/layouts/AEA.layout:107 lib/layouts/egs.layout:566
#: lib/layouts/theorems-ams-extended-bytype.module:328