document fix of #413 in CHANGELOG.md
document fix of #413 in CHANGELOG.md

mairdl/jabref,grimes2/jabref,grimes2/jabref,mredaelli/jabref,sauliusg/jabref,Braunch/jabref,tobiasdiez/jabref,grimes2/jabref,bartsch-dev/jabref,zellerdev/jabref,tschechlovdev/jabref,ayanai1/jabref,tschechlovdev/jabref,oscargus/jabref,sauliusg/jabref,mredaelli/jabref,ayanai1/jabref,grimes2/jabref,zellerdev/jabref,bartsch-dev/jabref,obraliar/jabref,shitikanth/jabref,Siedlerchr/jabref,obraliar/jabref,jhshinn/jabref,oscargus/jabref,Braunch/jabref,jhshinn/jabref,shitikanth/jabref,Mr-DLib/jabref,tschechlovdev/jabref,jhshinn/jabref,Siedlerchr/jabref,JabRef/jabref,Mr-DLib/jabref,zellerdev/jabref,grimes2/jabref,mredaelli/jabref,JabRef/jabref,mredaelli/jabref,oscargus/jabref,oscargus/jabref,obraliar/jabref,mairdl/jabref,obraliar/jabref,motokito/jabref,sauliusg/jabref,mredaelli/jabref,jhshinn/jabref,bartsch-dev/jabref,shitikanth/jabref,Siedlerchr/jabref,JabRef/jabref,Mr-DLib/jabref,Mr-DLib/jabref,Braunch/jabref,motokito/jabref,tobiasdiez/jabref,zellerdev/jabref,motokito/jabref,shitikanth/jabref,Mr-DLib/jabref,mairdl/jabref,ayanai1/jabref,motokito/jabref,Braunch/jabref,bartsch-dev/jabref,bartsch-dev/jabref,Braunch/jabref,tschechlovdev/jabref,JabRef/jabref,jhshinn/jabref,sauliusg/jabref,motokito/jabref,Siedlerchr/jabref,ayanai1/jabref,ayanai1/jabref,tobiasdiez/jabref,mairdl/jabref,zellerdev/jabref,obraliar/jabref,shitikanth/jabref,mairdl/jabref,oscargus/jabref,tschechlovdev/jabref,tobiasdiez/jabref