diff --git a/reference/image/functions/imagestringup.xml b/reference/image/functions/imagestringup.xml
index c0ae7e6134..12d1ad7a5c 100644
--- a/reference/image/functions/imagestringup.xml
+++ b/reference/image/functions/imagestringup.xml
@@ -31,7 +31,7 @@
      <term><parameter>x</parameter></term>
      <listitem>
       <para>
-       x-coordinate of the upper left corner.
+       x-coordinate of the bottom left corner.
       </para>
      </listitem>
     </varlistentry>
@@ -39,7 +39,7 @@
      <term><parameter>y</parameter></term>
      <listitem>
       <para>
-       y-coordinate of the upper left corner.
+       y-coordinate of the bottom left corner.
       </para>
      </listitem>
     </varlistentry>