diff --git a/book/src/configuration.md b/book/src/configuration.md
index 31c267cf..3ff02adb 100644
--- a/book/src/configuration.md
+++ b/book/src/configuration.md
@@ -4,7 +4,7 @@
 
 To disable language server progress report from being displayed in the status bar add this option to your `config.toml`:
 ```toml
-lsp_progress = false
+lsp-progress = false
 ```
 
 ## Theme
diff --git a/helix-term/src/config.rs b/helix-term/src/config.rs
index 2b8b475b..d2bbe84f 100644
--- a/helix-term/src/config.rs
+++ b/helix-term/src/config.rs
@@ -17,6 +17,7 @@ pub struct Config {
 }
 
 #[derive(Serialize, Deserialize)]
+#[serde(rename_all = "kebab-case")]
 struct TomlConfig {
     lsp_progress: Option<bool>,
     keys: Option<HashMap<String, HashMap<String, String>>>,