sema: doc: fix typo in error return value
sema: doc: fix typo in error return value

immesys/RiSyn,authmillenon/RIOT,plushvoxel/RIOT,LudwigOrtmann/RIOT,beurdouche/RIOT,avmelnikoff/RIOT,beurdouche/RIOT,mfrey/RIOT,gautric/RIOT,smlng/RIOT,plushvoxel/RIOT,A-Paul/RIOT,roberthartung/RIOT,A-Paul/RIOT,aeneby/RIOT,cladmi/RIOT,neumodisch/RIOT,kaspar030/RIOT,A-Paul/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,Ell-i/RIOT,jasonatran/RIOT,Ell-i/RIOT,cladmi/RIOT,x3ro/RIOT,kerneltask/RIOT,josephnoir/RIOT,miri64/RIOT,dkm/RIOT,toonst/RIOT,rfuentess/RIOT,gautric/RIOT,avmelnikoff/RIOT,dailab/RIOT,authmillenon/RIOT,TobiasFredersdorf/RIOT,yogo1212/RIOT,jfischer-phytec-iot/RIOT,TobiasFredersdorf/RIOT,kaleb-himes/RIOT,adjih/RIOT,toonst/RIOT,avmelnikoff/RIOT,kYc0o/RIOT,mtausig/RIOT,rfuentess/RIOT,OlegHahm/RIOT,kbumsik/RIOT,roberthartung/RIOT,Josar/RIOT,adjih/RIOT,neiljay/RIOT,Josar/RIOT,A-Paul/RIOT,dkm/RIOT,neumodisch/RIOT,immesys/RiSyn,LudwigKnuepfer/RIOT,RIOT-OS/RIOT,smlng/RIOT,LudwigOrtmann/RIOT,BytesGalore/RIOT,kaspar030/RIOT,jfischer-phytec-iot/RIOT,toonst/RIOT,roberthartung/RIOT,mtausig/RIOT,x3ro/RIOT,ant9000/RIOT,kYc0o/RIOT,miri64/RIOT,josephnoir/RIOT,gebart/RIOT,TobiasFredersdorf/RIOT,kaleb-himes/RIOT,hamilton-mote/RIOT-OS,thomaseichinger/RIOT,jfischer-phytec-iot/RIOT,roberthartung/RIOT,roberthartung/RIOT,Hyungsin/RIOT-OS,josephnoir/RIOT,kerneltask/RIOT,adrianghc/RIOT,TobiasFredersdorf/RIOT,mfrey/RIOT,thomaseichinger/RIOT,BytesGalore/RIOT,jasonatran/RIOT,OTAkeys/RIOT,yogo1212/RIOT,gebart/RIOT,rfuentess/RIOT,adrianghc/RIOT,miri64/RIOT,BytesGalore/RIOT,LudwigKnuepfer/RIOT,neumodisch/RIOT,basilfx/RIOT,neumodisch/RIOT,immesys/RiSyn,Josar/RIOT,jfischer-phytec-iot/RIOT,adrianghc/RIOT,Ell-i/RIOT,Ell-i/RIOT,ks156/RIOT,syin2/RIOT,thomaseichinger/RIOT,aeneby/RIOT,syin2/RIOT,A-Paul/RIOT,gautric/RIOT,kaleb-himes/RIOT,ks156/RIOT,kaleb-himes/RIOT,LudwigOrtmann/RIOT,toonst/RIOT,syin2/RIOT,LudwigOrtmann/RIOT,aeneby/RIOT,mtausig/RIOT,LudwigKnuepfer/RIOT,mfrey/RIOT,aeneby/RIOT,adrianghc/RIOT,syin2/RIOT,yogo1212/RIOT,gebart/RIOT,biboc/RIOT,kYc0o/RIOT,authmillenon/RIOT,ks156/RIOT,BytesGalore/RIOT,Ell-i/RIOT,Hyungsin/RIOT-OS,kbumsik/RIOT,LudwigOrtmann/RIOT,RIOT-OS/RIOT,beurdouche/RIOT,RIOT-OS/RIOT,immesys/RiSyn,yogo1212/RIOT,immesys/RiSyn,miri64/RIOT,neiljay/RIOT,Josar/RIOT,avmelnikoff/RIOT,LudwigKnuepfer/RIOT,kaspar030/RIOT,smlng/RIOT,adjih/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,kaspar030/RIOT,cladmi/RIOT,toonst/RIOT,kYc0o/RIOT,aeneby/RIOT,BytesGalore/RIOT,biboc/RIOT,kerneltask/RIOT,authmillenon/RIOT,OTAkeys/RIOT,neiljay/RIOT,dailab/RIOT,dailab/RIOT,smlng/RIOT,neiljay/RIOT,Josar/RIOT,josephnoir/RIOT,kaleb-himes/RIOT,biboc/RIOT,yogo1212/RIOT,lazytech-org/RIOT,jasonatran/RIOT,OTAkeys/RIOT,jasonatran/RIOT,rfuentess/RIOT,basilfx/RIOT,biboc/RIOT,plushvoxel/RIOT,hamilton-mote/RIOT-OS,gautric/RIOT,adjih/RIOT,yogo1212/RIOT,neumodisch/RIOT,gautric/RIOT,beurdouche/RIOT,kbumsik/RIOT,gebart/RIOT,ks156/RIOT,OTAkeys/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,basilfx/RIOT,thomaseichinger/RIOT,jfischer-phytec-iot/RIOT,basilfx/RIOT,cladmi/RIOT,OlegHahm/RIOT,kbumsik/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,TobiasFredersdorf/RIOT,miri64/RIOT,biboc/RIOT,kerneltask/RIOT,mfrey/RIOT,gebart/RIOT,adjih/RIOT,lazytech-org/RIOT,hamilton-mote/RIOT-OS,adrianghc/RIOT,OlegHahm/RIOT,basilfx/RIOT,ant9000/RIOT,avmelnikoff/RIOT,neiljay/RIOT,syin2/RIOT,OlegHahm/RIOT,mfrey/RIOT,dailab/RIOT,josephnoir/RIOT,x3ro/RIOT,OTAkeys/RIOT,kbumsik/RIOT,authmillenon/RIOT,dkm/RIOT,ant9000/RIOT,dailab/RIOT,LudwigKnuepfer/RIOT,plushvoxel/RIOT,ks156/RIOT,RIOT-OS/RIOT,x3ro/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,beurdouche/RIOT,hamilton-mote/RIOT-OS,lazytech-org/RIOT,kaspar030/RIOT,Hyungsin/RIOT-OS,kYc0o/RIOT,ant9000/RIOT,thomaseichinger/RIOT,jasonatran/RIOT,neumodisch/RIOT,mtausig/RIOT,kerneltask/RIOT,immesys/RiSyn,rfuentess/RIOT,authmillenon/RIOT,lazytech-org/RIOT,lazytech-org/RIOT,ant9000/RIOT,Hyungsin/RIOT-OS,Hyungsin/RIOT-OS,plushvoxel/RIOT,cladmi/RIOT,mtausig/RIOT,dkm/RIOT,hamilton-mote/RIOT-OS,LudwigOrtmann/RIOT,dkm/RIOT,smlng/RIOT,x3ro/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT