diff --git a/reference/strings/functions/sprintf.xml b/reference/strings/functions/sprintf.xml
index 70b4ef0efe..31659b69ca 100644
--- a/reference/strings/functions/sprintf.xml
+++ b/reference/strings/functions/sprintf.xml
@@ -252,6 +252,11 @@ The tree contains 0005 monkeys
         <function>sprintf</function> generating warnings.
        </para>
       </note>
+      <warning>
+       <para>
+        The <literal>c</literal> type specifier ignores padding and width
+       </para>
+      </warning>
      </listitem>
     </varlistentry>
     <varlistentry>