diff --git a/doc/21-development.md b/doc/21-development.md
index 2a3c23d13..32d594f6d 100644
--- a/doc/21-development.md
+++ b/doc/21-development.md
@@ -683,7 +683,7 @@ these tools:
 - vim
 - CLion (macOS, Linux)
 - MS Visual Studio (Windows)
-- Atom
+- Emacs
 
 Editors differ on the functionality. The more helpers you get for C++ development,
 the faster your development workflow will be.