chore: fix some typos in comments

src/PostgREST/ApiRequest/Preferences.hs

@@ -2,7 +2,7 @@
 -- Module: PostgREST.ApiRequest.Preferences
 -- Description: Track client preferences to be employed when processing requests
 --
--- Track client prefences set in HTTP 'Prefer' headers according to RFC7240[1].
+-- Track client preferences set in HTTP 'Prefer' headers according to RFC7240[1].
 --
 -- [1] https://datatracker.ietf.org/doc/html/rfc7240
 --

src/PostgREST/ApiRequest/Types.hs

@@ -175,7 +175,7 @@ data JsonOperation
   deriving (Eq, Show, Ord)
 
 -- | Represents the key(`->'key'`) or index(`->'1`::int`), the index is Text
--- because we reuse our escaping functons and let pg do the casting with
+-- because we reuse our escaping functions and let pg do the casting with
 -- '1'::int
 data JsonOperand
   = JKey { jVal :: Text }