diff --git a/CREDITS b/CREDITS
index b5ee5a9..4c4adf2 100644
--- a/CREDITS
+++ b/CREDITS
@@ -108,6 +108,13 @@ W: https://www.mamen.at
 N: MarNicGit
 W: https://github.com/MarNicGit
 
+N: menndouyukkuri
+E: menndoukusagari@gmail.com
+W: https://github.com/menndouyukkuri
+
+N: Mizuki
+W: https://github.com/MagicalDrizzle
+
 N: Oondanomala
 W: https://github.com/Oondanomala
 
diff --git a/docs/README.md b/docs/README.md
index d82589f..f7c5a93 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -37,6 +37,9 @@ Firefox Documents:
 Test for non-Mac users:
 - [Docker-OSX](https://github.com/sickcodes/Docker-OSX)
 
+If you have difficulty contributing, please feel free to [click this link](https://github.com/black7375/Firefox-UI-Fix/discussions/new?category=help-contribute-to-this-project) to explain.  
+I will help you as much as I know.
+
 ## Project-Specific
 ### Environment
 [`git`](https://git-scm.com/) and [`yarn`](https://yarnpkg.com/) must be installed.