Update index.md

Author: pindec

docs/adoption/index.md

@@ -1,6 +1,6 @@
 # Adoption
 
-The success of an open data standard rests on it's adoption. A standard with no users is hardly a standard at all. However, depending on the nature of a standard, there may be different approaches to successful adoption. 
+The success of an open data standard rests on its adoption. A standard with no users is hardly a standard at all. However, depending on the nature of a standard, there may be different approaches to successful adoption. 
 
 This section considers **the adoption curve**, different **kinds of adopters**, and different strategies to support adoption.