Fix comment (helix-editor#3334)

Author: AceofSpades5757

helix-view/src/document.rs

@@ -576,9 +576,8 @@ impl Document {
     }
 
     /// Detect the indentation used in the file, or otherwise defaults to the language indentation
-    /// configured in `languages.toml`, with a fallback to 4 space indentation if it isn't
-    /// specified. Line ending is likewise auto-detected, and will fallback to the default OS
-    /// line ending.
+    /// configured in `languages.toml`, with a fallback to tabs if it isn't specified. Line ending
+    /// is likewise auto-detected, and will fallback to the default OS line ending.
     pub fn detect_indent_and_line_ending(&mut self) {
         self.indent_style = auto_detect_indent_style(&self.text).unwrap_or_else(|| {
             self.language_config()