parsin->parsing (#388)

diff --git a/codespell_lib/data/dictionary.txt b/codespell_lib/data/dictionary.txt
index b98c5e9..c6032d5 100644
--- a/codespell_lib/data/dictionary.txt
+++ b/codespell_lib/data/dictionary.txt
@@ -6149,6 +6149,7 @@
 parrallell->parallel
 parrallelly->parallelly
 parrallely->parallelly
+parsin->parsing
 partialy->partially
 particually->particularly
 particualr->particular