diff --git a/functions/exec.xml b/functions/exec.xml
index 7256ad0cb0..25e62f98f7 100644
--- a/functions/exec.xml
+++ b/functions/exec.xml
@@ -11,7 +11,7 @@
     <title>Description</title>
     <funcsynopsis>
      <funcprototype>
-      <funcdef>string <function>escapeshellcmd</function></funcdef>
+      <funcdef>string <function>escapeshellarg</function></funcdef>
       <paramdef>string <parameter>arg</parameter></paramdef>
      </funcprototype>
     </funcsynopsis>