diff --git a/Atom.md b/Atom.md
new file mode 100644
index 0000000..b2c0a41
--- /dev/null
+++ b/Atom.md
@@ -0,0 +1 @@
+https://github.com/isundaylee/atom-ide-ccls
diff --git a/_Sidebar.md b/_Sidebar.md
index acd3e35..eabcfdd 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -5,10 +5,12 @@
   - [[Initialization options]]
   - [[FAQ]]
 * Editor configuration
+  - [[Atom]]
   - [[Emacs]]
-  - [[coc.nvim]]
-  - [[LanguageClient-neovim]]
-  - [[vim-lsp]]
+  - Vim/Neovim
+    + [[coc.nvim]]
+    + [[LanguageClient-neovim]]
+    + [[vim-lsp]]
   - [[Visual Studio Code]]
 * [[Debugging]]
 * [[Client feature table]]