Update README.md

Author: myon-bioinformatics

README.md

@@ -1,4 +1,4 @@
 # niconico SearchAPI Template for Python3
 niconico as a Japanese video-sharing service on the web API Test Request by Python3
 
-Reference: nicovideo.jp/search-api-docs/snapshot
+Reference: https://site.nicovideo.jp/search-api-docs/snapshot