[VERSION] v1.2.2 release date updated; fixed one typo;

Author: hi-hai

litespeed-cache/admin/litespeed-cache-admin-error.class.php

@@ -229,7 +229,7 @@ public function convert_code_to_error($err_code)
 
 			// wp-config problem.
 			case self::E_CONF_WRITE:
-				$err = sprintf(__('The %1$s file not writeable for %2$s', 'litespeed-cache'), 'wp-config', '\'WP_CACHE\'') ;
+				$err = sprintf(__('The %1$s file not writable for %2$s', 'litespeed-cache'), 'wp-config', '\'WP_CACHE\'') ;
 				break ;
 
 			case self::E_CONF_FIND:

litespeed-cache/includes/litespeed-cache-config.class.php

@@ -645,7 +645,7 @@ public static function wp_cache_var_setter( $enable )
 		if ( ! is_writeable($file) ) {
 			$file = dirname(ABSPATH) . '/wp-config.php' ;
 			if ( ! is_writeable($file) ) {
-				error_log('wp-config file not writeable for \'WP_CACHE\'') ;
+				error_log('wp-config file not writable for \'WP_CACHE\'') ;
 				return LiteSpeed_Cache_Admin_Error::E_CONF_WRITE ;
 			}
 		}

litespeed-cache/readme.txt

@@ -223,7 +223,7 @@ For more detailed information about crawler setup, please see [our blog post](ht
 
 == Changelog ==
 
-= 1.2.2 - September 14 2017 =
+= 1.2.2 - September 15 2017 =
 * [NEW FEATURE] Added CSS/JS minification.
 * [NEW FEATURE] Added CSS/JS combining.
 * [NEW FEATURE] Added CSS/JS HTTP/2 server push.