diff --git a/modules/file-API.md b/modules/file-API.md
index b8d40de8..fed24aac 100644
--- a/modules/file-API.md
+++ b/modules/file-API.md
@@ -28,7 +28,7 @@ if ((fp = fopen("/etc/passwd", "r")) == NULL)
 /* process the file... */
 
 if (fclose(fp) != 0)
-	err(1, "fclose failed");
+	err(1, "fclose");
 ```
 
 - The `b` binary mode usually does not have any effect.