Minor format

Co-Authored-By: Hans Svensson <hanssv@gmail.com>

docs/sophia.md

@@ -77,7 +77,7 @@ The main unit of code in Sophia is the *contract*.
 - A contract instance is an entity living on the block chain (or in a state
   channel). Each instance has an address that can be used to call its
   entrypoints, either from another contract or in a call transaction.
-- A contract may define a type state encapsulating its local
+- A contract may define a type `state` encapsulating its local
   state. When creating a new contract the `init` entrypoint is executed and the
   state is initialized to its return value.
   
@@ -1061,4 +1061,4 @@ contract FundMe =
     spend({recipient = to,
            amount    = state.contributions[to]})
     put(state{ contributions @ c = Map.delete(to, c) })
-```
+```