Update README

Author: yasulab

README.md

@@ -160,11 +160,11 @@ Thanks for their great works to make this app published! :sparkling_heart:
 
 ### About Texts in Kata
 
-The texts in [Kata page](http://coderdojo.jp/kata) are published under [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/deed) license. But the texts do NOT include images, slides, and external websites linked from [coderdojo.jp](https://coderdojo.jp/). Please make sure to check their licenses and copyrights if you are interested in.
+The texts in [Kata page](http://coderdojo.jp/kata) are published under [CC BY-NC-SA 4.0](https://creativecommons.org/licenses/by-nc-sa/4.0/deed) license. But the texts do NOT include images, slides, and external websites. Please make sure to check their licenses and/or contact its owner before using them.
 
 ### About Logos and Photos
 
-The images, including logos and photos in [Top page](http://coderdojo.jp/), are not published under the following License. Contact its owner, like the maintainer of linked external website, before using them. :relieved: 
+The images, such as logos and photos of [each dojo](http://coderdojo.jp/#dojos), are NOT published under the following License. Contact its owner, like the maintainer of linked external website, before using them. :relieved: 
 
 ### About Source Codes