Update README.md

Author: kirkw

README.md

@@ -2,7 +2,7 @@ plpgsql_check
 =============
 
 This extension is a full linter for plpgsql for PostgreSQL.  It leverages only the internal 
-PostgreSQL parser/evaluator so you see exactly the errors would occur at runtime.
+PostgreSQL parser/evaluator so you see exactly the errors that would occur at runtime.
 Furthermore, it parses the SQL inside your routines and finds errors not usually found during
 the "CREATE PROCEDURE/FUNCTION" command.  You can control the levels of many warnings and hints.
 Finally, you can add PRAGAMA type markers to turn off/on many aspects allowing you to hide