Fix some typos in comments.

[ci skip]

3 files changed, 3 insertions, 3 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index e3793e6c77..eb2268157b 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -541,7 +541,7 @@ module ActiveRecord
           result = exec_query(sql, 'SCHEMA').first
 
           if result
-            # Splitting with left parantheses and picking up last will return all
+            # Splitting with left parentheses and picking up last will return all
             # columns separated with comma(,).
             columns_string = result["sql"].split('(').last
 
diff --git a/activerecord/test/cases/connection_adapters/type_lookup_test.rb b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
index 7566863653..3acbafbff4 100644
--- a/activerecord/test/cases/connection_adapters/type_lookup_test.rb
+++ b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
@@ -1,6 +1,6 @@
 require "cases/helper"
 
-unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strigns for lookup
+unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strings for lookup
 module ActiveRecord
   module ConnectionAdapters
     class TypeLookupTest < ActiveRecord::TestCase
diff --git a/activerecord/test/cases/scoping/named_scoping_test.rb b/activerecord/test/cases/scoping/named_scoping_test.rb
index f05df9d76b..0e277ed235 100644
--- a/activerecord/test/cases/scoping/named_scoping_test.rb
+++ b/activerecord/test/cases/scoping/named_scoping_test.rb
@@ -301,7 +301,7 @@ class NamedScopingTest < ActiveRecord::TestCase
       :relation,      # private class method on AR::Base
       :new,           # redefined class method on AR::Base
       :all,           # a default scope
-      :public,        # some imporant methods on Module and Class
+      :public,        # some important methods on Module and Class
       :protected,
       :private,
       :name,