Update versions/1.1.0-dev.md

Co-authored-by: Ralf Handl <[email protected]>

Author: baywet

versions/1.1.0-dev.md

@@ -38,7 +38,7 @@ An Overlay document that conforms to the Overlay Specification is itself a JSON
 All field names in the specification are **case sensitive**.
 This includes all fields that are used as keys in a map, except where explicitly noted that keys are **case insensitive**.
 
-Overlay [schema](#schema) expose two types of fields: _fixed fields_, which have a declared name, and _patterned fields_, which have a declared pattern for the field name.
+The Overlay [schema](#schema) defines two types of fields: _fixed fields_, which have a declared name, and _patterned fields_, which have a declared pattern for the field name.
 
 Patterned fields MUST have unique names within the containing object.