diff --git a/vim_spell_en.utf-8.add b/vim_spell_en.utf-8.add
index 4c99b66..71551e0 100644
--- a/vim_spell_en.utf-8.add
+++ b/vim_spell_en.utf-8.add
@@ -133,3 +133,5 @@ enablement
 rtpnack
 rtpsender
 BWP
+blockchain
+blockchains