diff --git a/en/application-dev/reference/apis/js-apis-fileio.md b/en/application-dev/reference/apis/js-apis-fileio.md
index 2b6aa580963fbac78fa9b2676edfc46147593b70..d65bd1eb97e5ec2c1047c2e2acd239f30ae82f89 100644
--- a/en/application-dev/reference/apis/js-apis-fileio.md
+++ b/en/application-dev/reference/apis/js-apis-fileio.md
@@ -972,7 +972,7 @@ Synchronizes a file in synchronous mode.
 -   Example
 
     ```
-    fileio.fyncsSync)(fd);
+    fileio.fyncsSync(fd);
     ```