diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
index d7decf15b9..96040785a0 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb
@@ -126,7 +126,7 @@ module ActiveRecord
       #   # Check a column exists of a particular type
       #   #
       #   # This works for standard non-casted types (eg. string) but is unreliable
-      #   # for types that may get chasted (eg. char).
+      #   # for types that may get cast to something else (eg. char, bigint).
       #   column_exists?(:suppliers, :name, :string)
       #
       #   # Check a column exists with a specific definition