Fix Readme typos (#739)

Readme.md

@@ -315,7 +315,7 @@ post.Owner.Name.IsEqualTo("Sam");
 post.Owner.Id.IsEqualTo(99);
 ```
 
-Dapper is able to split the returned row by making an assumption that your Id columns are named `Id` or `id`, if your primary key is different or you would like to split the wide row at point other than `Id`, use the optional `splitOn` parameter.
+Dapper is able to split the returned row by making an assumption that your Id columns are named `Id` or `id`. If your primary key is different or you would like to split the row at a point other than `Id`, use the optional `splitOn` parameter.
 
 Multiple Results
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