Fix some typos

Author: Daniel Gustafsson
Discussion: https://postgr.es/m/42kEeWei6VxLGh12QbR08hiI5Pm-c3XgbK7qj393PSttEhVbnnQoFXHKzXjPRZLUpndWAfHIuZuUqGZBzyXadmEUCSqm9xphWur_I8vESMA=@yesql.se

src/bin/pg_dump/pg_dump.c

@@ -2024,7 +2024,7 @@ dumpTableData_insert(Archive *fout, void *dcontext)
 				archputs(insertStmt->data, fout);
 
 			/*
-			 * If it is zero-column table then we've aleady written the
+			 * If it is zero-column table then we've already written the
 			 * complete statement, which will mean we've disobeyed
 			 * --rows-per-insert when it's set greater than 1.  We do support
 			 * a way to make this multi-row with: SELECT UNION ALL SELECT

src/bin/pgbench/t/001_pgbench_with_server.pl

@@ -16,7 +16,7 @@ $node->start;
 #   $out: reference to a regexp list that must match stdout
 #   $err: reference to a regexp list that must match stderr
 #   $name: name of test for error messages
-#   $files: reference to filename/contents dictionnary
+#   $files: reference to filename/contents dictionary
 #   @args: further raw options or arguments
 sub pgbench
 {