Merge pull request #567 from larskanis/more-spelling

More spelling improvements

ext/pg.c

@@ -543,7 +543,7 @@ Init_pg_ext(void)
 	/* Result#result_error_field argument constant
 	 *
 	 * The SQLSTATE code for the error.
-	 * The SQLSTATE code identities the type of error that has occurred; it can be used by front-end applications to perform specific operations (such as error handling) in response to a particular database error.
+	 * The SQLSTATE code identifies the type of error that has occurred; it can be used by front-end applications to perform specific operations (such as error handling) in response to a particular database error.
 	 * For a list of the possible SQLSTATE codes, see Appendix A.
 	 * This field is not localizable, and is always present.
 	 */

lib/pg/basic_type_registry.rb

@@ -171,7 +171,14 @@ module Checker
 	include Checker
 
 	def initialize
-		# The key of these hashes maps to the `typname` column from the table pg_type.
+		# @coders_by_name has a content of
+		#    Array< Hash< Symbol: Hash< String: Coder > > >
+		#
+		# The layers are:
+		#   * index of Array is 0 (text) and 1 (binary)
+		#   * Symbol key in the middle Hash is :encoder and :decoder
+		#   * String key in the inner Hash corresponds to the `typname` column in the table pg_type
+		#   * Coder value in the inner Hash is the associated coder object
 		@coders_by_name = []
 	end