Spelling errors

3 files changed, 4 insertions, 4 deletions

diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb
index 1fed7f74e7..d57da366bd 100644
--- a/activerecord/lib/active_record/associations/preloader/through_association.rb
+++ b/activerecord/lib/active_record/associations/preloader/through_association.rb
@@ -63,7 +63,7 @@ module ActiveRecord
           should_reset = (through_scope != through_reflection.klass.unscoped) ||
              (reflection.options[:source_type] && through_reflection.collection?)
 
-          # Dont cache the association - we would only be caching a subset
+          # Don't cache the association - we would only be caching a subset
           if should_reset
             owners.each { |owner|
               owner.association(association_name).reset
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index a2bb78dfcc..09e2faee86 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -279,9 +279,9 @@ module ActiveRecord
     end
 
     # Returns an <tt>#inspect</tt>-like string for the value of the
-    # attribute +attr_name+. String attributes are truncated upto 50
+    # attribute +attr_name+. String attributes are truncated up to 50
     # characters, Date and Time attributes are returned in the
-    # <tt>:db</tt> format, Array attributes are truncated upto 10 values.
+    # <tt>:db</tt> format, Array attributes are truncated up to 10 values.
     # Other attributes return the value of <tt>#inspect</tt> without
     # modification.
     #
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
index 34ed32ad35..380c50fc14 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/jsonb.rb
@@ -12,7 +12,7 @@ module ActiveRecord
             # roundtripping jsonb columns. This causes some false positives for
             # the comparison here. Therefore, we need to parse and re-dump the
             # raw value here to ensure the insignificant whitespaces are
-            # consitent with our encoder's output.
+            # consistent with our encoder's output.
             raw_old_value = type_cast_for_database(type_cast_from_database(raw_old_value))
             super(raw_old_value, new_value)
           end