diff --git a/functions/var.xml b/functions/var.xml
index f8d6efbdac..69c446de54 100644
--- a/functions/var.xml
+++ b/functions/var.xml
@@ -405,7 +405,7 @@ echo get_resource_type($doc->doc)."\n";
      </funcprototype>
     </funcsynopsis>
     <simpara>
-     This function is an alias for <function>is_long</function>.
+     This function is an alias for <function>is_int</function>.
     </simpara>
     <simpara>
      See also <function>is_bool</function>,
@@ -810,6 +810,11 @@ echo isset ($a); // false
      values will be presented in a format that shows keys and
      elements.  Similar notation is used for objects.
     </simpara>
+    <simpara>
+     Remember that <function>print_r</function> will move the array
+     pointer to the end. Use <function>reset</function> to bring
+     it back to beginning.
+    </simpara>
     <simpara>
      Compare <function>print_r</function> to
      <function>var_dump</function>.