Use correct model name for Dictionary

config/initializers/sign_database.rb

@@ -4,7 +4,7 @@
   deployed = !Rails.env.development? && !Rails.env.test?
 
   begin
-    Rake::Task["dictionary:update"].execute if deployed
+    Rake::Task['dictionary:update'].execute if deployed
   rescue StandardError => e
     warn e
   end
@@ -14,8 +14,8 @@
   # we can use common queries and ordering.
   # There's no ADD COLUMN IF NOT EXISTS, so we just handle the error
   begin
-    DictionarySign.connection.execute("ALTER TABLE words ADD COLUMN word text AS (gloss)")
+    Signbank::Sign.connection.execute('ALTER TABLE words ADD COLUMN word text AS (gloss)')
   rescue ActiveRecord::StatementInvalid => e
-    raise e unless e.message == "SQLite3::SQLException: duplicate column name: word"
+    raise e unless e.message == 'SQLite3::SQLException: duplicate column name: word'
   end
 end