Update README.md

Co-authored-by: Hiroki Kobayashi <3303362+koba-e964@users.noreply.github.com>

Author: matsu7874

README.md

@@ -20,6 +20,6 @@ After that we try to improve develop flow, tests, or utility.
 1. Create an issue or a draft PR before you start working.
 2. Make a PR and pass tests.
 
-## More infomation
+## More information
 
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