diff --git a/docs/configuration/yazi.md b/docs/configuration/yazi.md
index 6037b2b1..0802da6f 100644
--- a/docs/configuration/yazi.md
+++ b/docs/configuration/yazi.md
@@ -147,7 +147,7 @@ Wrap long lines in the code preview.
 
 ### `tab_size` {#preview.tab_size}
 
-Tab width.
+The width of a tab character (`\t`) in spaces.
 
 ### `max_width` {#preview.max_width}