Fix incomplete :nodoc: directives [ci-skip]

actionview/lib/action_view/template/error.rb

@@ -229,7 +229,7 @@ module ActionView
 
   TemplateError = Template::Error
 
-  class SyntaxErrorInTemplate < TemplateError #:nodoc
+  class SyntaxErrorInTemplate < TemplateError #:nodoc:
     def initialize(template, offending_code_string)
       @offending_code_string = offending_code_string
       super(template)

activerecord/lib/active_record/attribute_methods/read.rb

@@ -34,7 +34,7 @@ module ActiveRecord
 
       # This method exists to avoid the expensive primary_key check internally, without
       # breaking compatibility with the read_attribute API
-      def _read_attribute(attr_name, &block) # :nodoc
+      def _read_attribute(attr_name, &block) # :nodoc:
         @attributes.fetch_value(attr_name, &block)
       end
 

activerecord/lib/active_record/connection_adapters/sqlite3/database_statements.rb

@@ -72,7 +72,7 @@ module ActiveRecord
         end
         alias :exec_update :exec_delete
 
-        def begin_isolated_db_transaction(isolation) #:nodoc
+        def begin_isolated_db_transaction(isolation) #:nodoc:
           raise TransactionIsolationError, "SQLite3 only supports the `read_uncommitted` transaction isolation level" if isolation != :read_uncommitted
           raise StandardError, "You need to enable the shared-cache mode in SQLite mode before attempting to change the transaction isolation level" unless shared_cache?
 

activerecord/lib/active_record/core.rb

@@ -210,7 +210,7 @@ module ActiveRecord
         @connection_class = b
       end
 
-      def self.connection_class # :nodoc
+      def self.connection_class # :nodoc:
         @connection_class ||= false
       end