diff --git a/reference/sqlite/functions/sqlite-escape-string.xml b/reference/sqlite/functions/sqlite-escape-string.xml
index 234d97b211..a9ebb39d54 100644
--- a/reference/sqlite/functions/sqlite-escape-string.xml
+++ b/reference/sqlite/functions/sqlite-escape-string.xml
@@ -40,7 +40,7 @@
        The <type>string</type> being quoted.
       </para>
       <para>
-       If the <parameter>item</parameter> contains a <literal>NUL</literal>
+       If the <parameter>item</parameter> contains a <literal>NULL</literal>
        character, or if it begins with a character whose ordinal value is
        <literal>0x01</literal>, PHP will apply a binary encoding scheme so that
        you can safely store and retrieve binary data.