Update README.md

README.md

@@ -16,9 +16,9 @@ Abbreviation|Description
 O|Outside of a named entity
 B-MIS |Beginning of a miscellaneous entity right after another miscellaneous entity
 I-MIS | Miscellaneous entity
-B-PER |Beginning of a person�s name right after another person�s name
+B-PER |Beginning of a person's name right after another person's name
 B-DERIV-PER| Begginning derivative that describes relation to a person
-I-PER |Person�s name
+I-PER |Person's name
 B-ORG |Beginning of an organization right after another organization
 I-ORG |organization
 B-LOC |Beginning of a location right after another location