Minor fix in API reference (#1536)
Minor fix in API reference (#1536)

JerryScript-DCO-1.0-Signed-off-by: László Langó llango.u-szeged@partner.samsung.com
grgustaf/jerryscript,jerryscript-project/jerryscript,bsdelf/jerryscript,glistening/jerryscript,jack60504/jerryscript,loki04/jerryscript,LaszloLango/jerryscript,LaszloLango/jerryscript,jack60504/jerryscript,bsdelf/jerryscript,glistening/jerryscript,bzsolt/jerryscript,yichoi/jerryscript,bzsolt/jerryscript,dbatyai/jerryscript,akosthekiss/jerryscript,jerryscript-project/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,bsdelf/jerryscript,zherczeg/jerryscript,jack60504/jerryscript,martijnthe/jerryscript,LaszloLango/jerryscript,loki04/jerryscript,grgustaf/jerryscript,slaff/jerryscript,akosthekiss/jerryscript,robertsipka/jerryscript,bzsolt/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,martijnthe/jerryscript,loki04/jerryscript,robertsipka/jerryscript,zherczeg/jerryscript,dbatyai/jerryscript,akosthekiss/jerryscript,robertsipka/jerryscript,yichoi/jerryscript,gabrielschulhof/jerryscript,dbatyai/jerryscript,grgustaf/jerryscript,robertsipka/jerryscript,yichoi/jerryscript,grgustaf/jerryscript,grgustaf/jerryscript,slaff/jerryscript,slaff/jerryscript,dbatyai/jerryscript,martijnthe/jerryscript,martijnthe/jerryscript,zherczeg/jerryscript,jerryscript-project/jerryscript,martijnthe/jerryscript,dbatyai/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,jack60504/jerryscript,yichoi/jerryscript,robertsipka/jerryscript,glistening/jerryscript,bzsolt/jerryscript,bsdelf/jerryscript,gabrielschulhof/jerryscript,jack60504/jerryscript,jack60504/jerryscript,glistening/jerryscript,bsdelf/jerryscript,akosthekiss/jerryscript,gabrielschulhof/jerryscript,LaszloLango/jerryscript,gabrielschulhof/jerryscript,martijnthe/jerryscript,glistening/jerryscript,slaff/jerryscript,loki04/jerryscript,akosthekiss/jerryscript,loki04/jerryscript,loki04/jerryscript,slaff/jerryscript,zherczeg/jerryscript,LaszloLango/jerryscript,glistening/jerryscript,jerryscript-project/jerryscript,bzsolt/jerryscript