Minor fixes in API reference
Minor fixes in API reference

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com

robertsipka/jerryscript,tilmannOSG/jerryscript,bsdelf/jerryscript,bzsolt/jerryscript,glistening/jerryscript,loki04/jerryscript,zherczeg/jerryscript,yichoi/jerryscript,slaff/jerryscript,tilmannOSG/jerryscript,martijnthe/jerryscript,loki04/jerryscript,LaszloLango/jerryscript,gabrielschulhof/jerryscript,bzsolt/jerryscript,robertsipka/jerryscript,akosthekiss/jerryscript,glistening/jerryscript,dbatyai/jerryscript,bsdelf/jerryscript,slaff/jerryscript,grgustaf/jerryscript,robertsipka/jerryscript,loki04/jerryscript,glistening/jerryscript,dbatyai/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,tilmannOSG/jerryscript,grgustaf/jerryscript,loki04/jerryscript,jerryscript-project/jerryscript,dbatyai/jerryscript,dbatyai/jerryscript,LaszloLango/jerryscript,akosthekiss/jerryscript,zherczeg/jerryscript,slaff/jerryscript,slaff/jerryscript,bsdelf/jerryscript,LaszloLango/jerryscript,bzsolt/jerryscript,glistening/jerryscript,LaszloLango/jerryscript,bsdelf/jerryscript,yichoi/jerryscript,martijnthe/jerryscript,martijnthe/jerryscript,jerryscript-project/jerryscript,gabrielschulhof/jerryscript,jack60504/jerryscript,LeeHayun/jerryscript,bsdelf/jerryscript,martijnthe/jerryscript,grgustaf/jerryscript,grgustaf/jerryscript,dbatyai/jerryscript,LeeHayun/jerryscript,bzsolt/jerryscript,jack60504/jerryscript,jerryscript-project/jerryscript,LaszloLango/jerryscript,grgustaf/jerryscript,slaff/jerryscript,akosthekiss/jerryscript,jack60504/jerryscript,glistening/jerryscript,gabrielschulhof/jerryscript,jack60504/jerryscript,martijnthe/jerryscript,yichoi/jerryscript,LeeHayun/jerryscript,loki04/jerryscript,martijnthe/jerryscript,tilmannOSG/jerryscript,akosthekiss/jerryscript,robertsipka/jerryscript,robertsipka/jerryscript,LeeHayun/jerryscript,bzsolt/jerryscript,zherczeg/jerryscript,akosthekiss/jerryscript,gabrielschulhof/jerryscript,glistening/jerryscript,tilmannOSG/jerryscript,jerryscript-project/jerryscript,zherczeg/jerryscript,jack60504/jerryscript,jack60504/jerryscript,bsdelf/jerryscript,LeeHayun/jerryscript,yichoi/jerryscript,loki04/jerryscript,gabrielschulhof/jerryscript