typo fix (#2280)

Author: steltenpower

ontology/agro.md

@@ -39,7 +39,7 @@ preferredPrefix: AGRO
 products:
 - id: agro.owl
   title: AgrO
-  description: Contains all AgrO terms and links to other relavent ontologies.
+  description: Contains all AgrO terms and links to other relevant ontologies.
 publications:
 - id: http://ceur-ws.org/Vol-1747/IT205_ICBO2016.pdf
   title: 'Data-driven Agricultural Research for Development: A Need for Data Harmonization Via Semantics.'