Minor documentation fixes for signal handlers
Minor documentation fixes for signal handlers

hamsterbacke23/wagtail,nealtodd/wagtail,zerolab/wagtail,takeflight/wagtail,Toshakins/wagtail,JoshBarr/wagtail,JoshBarr/wagtail,davecranwell/wagtail,nutztherookie/wagtail,FlipperPA/wagtail,davecranwell/wagtail,FlipperPA/wagtail,jnns/wagtail,nealtodd/wagtail,wagtail/wagtail,jnns/wagtail,timorieber/wagtail,chrxr/wagtail,zerolab/wagtail,hamsterbacke23/wagtail,timorieber/wagtail,zerolab/wagtail,rsalmaso/wagtail,rsalmaso/wagtail,timorieber/wagtail,davecranwell/wagtail,quru/wagtail,chrxr/wagtail,kurtrwall/wagtail,kaedroho/wagtail,mixxorz/wagtail,kaedroho/wagtail,thenewguy/wagtail,kaedroho/wagtail,inonit/wagtail,thenewguy/wagtail,rsalmaso/wagtail,wagtail/wagtail,gogobook/wagtail,kurtw/wagtail,mixxorz/wagtail,quru/wagtail,chrxr/wagtail,gasman/wagtail,torchbox/wagtail,jnns/wagtail,kurtrwall/wagtail,kurtrwall/wagtail,thenewguy/wagtail,gasman/wagtail,nilnvoid/wagtail,kaedroho/wagtail,torchbox/wagtail,nilnvoid/wagtail,kurtw/wagtail,iansprice/wagtail,wagtail/wagtail,nilnvoid/wagtail,nutztherookie/wagtail,gogobook/wagtail,nimasmi/wagtail,chrxr/wagtail,quru/wagtail,jnns/wagtail,gasman/wagtail,Toshakins/wagtail,gasman/wagtail,mikedingjan/wagtail,JoshBarr/wagtail,takeflight/wagtail,gasman/wagtail,JoshBarr/wagtail,nutztherookie/wagtail,timorieber/wagtail,mixxorz/wagtail,kaedroho/wagtail,nimasmi/wagtail,quru/wagtail,wagtail/wagtail,hamsterbacke23/wagtail,mikedingjan/wagtail,rsalmaso/wagtail,zerolab/wagtail,kurtrwall/wagtail,nimasmi/wagtail,iansprice/wagtail,iansprice/wagtail,kurtw/wagtail,zerolab/wagtail,nutztherookie/wagtail,Toshakins/wagtail,hamsterbacke23/wagtail,nilnvoid/wagtail,iansprice/wagtail,thenewguy/wagtail,torchbox/wagtail,takeflight/wagtail,FlipperPA/wagtail,inonit/wagtail,inonit/wagtail,davecranwell/wagtail,mikedingjan/wagtail,nimasmi/wagtail,nealtodd/wagtail,Toshakins/wagtail,takeflight/wagtail,kurtw/wagtail,wagtail/wagtail,thenewguy/wagtail,gogobook/wagtail,mixxorz/wagtail,mixxorz/wagtail,FlipperPA/wagtail,nealtodd/wagtail,gogobook/wagtail,torchbox/wagtail,mikedingjan/wagtail,inonit/wagtail,rsalmaso/wagtail