diff --git a/docs/en/modules/sigma-delta.md b/docs/en/modules/sigma-delta.md
index a569531a..07e0b000 100644
--- a/docs/en/modules/sigma-delta.md
+++ b/docs/en/modules/sigma-delta.md
@@ -75,7 +75,7 @@ sigma_delta.close(2)
 Sets the target value.
 
 #### Syntax
-`sigma_delta.settarget(value)
+`sigma_delta.settarget(value)`
 
 #### Parameters
 `value` target 0 to 255