Update Menu_ja.properties (#3125)
Update Menu_ja.properties (#3125)


JabRef/jabref,tobiasdiez/jabref,Siedlerchr/jabref,JabRef/jabref,oscargus/jabref,tobiasdiez/jabref,Siedlerchr/jabref,shitikanth/jabref,shitikanth/jabref,oscargus/jabref,sauliusg/jabref,sauliusg/jabref,JabRef/jabref,zellerdev/jabref,sauliusg/jabref,shitikanth/jabref,tobiasdiez/jabref,Siedlerchr/jabref,shitikanth/jabref,tobiasdiez/jabref,shitikanth/jabref,sauliusg/jabref,zellerdev/jabref,zellerdev/jabref,oscargus/jabref,oscargus/jabref,zellerdev/jabref,Siedlerchr/jabref,zellerdev/jabref,JabRef/jabref,oscargus/jabref