diff --git a/README.md b/README.md
index a3fc8847..4d4cb26c 100644
--- a/README.md
+++ b/README.md
@@ -467,16 +467,16 @@ overwrite: true 的情况下, 这些新字段会覆盖老字段(如果有的话)
 Convert:
     fields:
         time_taken:
-			remove_if_fail: false
-			setto_if_fail: 0
+            remove_if_fail: false
+            setto_if_fail: 0
             to: float
         sc_bytes:
             to: int
-			remove_if_fail: true
+            remove_if_fail: true
         status:
             to: bool
-			remove_if_fail: false
-			setto_if_fail: true
+            remove_if_fail: false
+            setto_if_fail: true
 ```
 
 #### remove_if_fail