diff --git a/reference/sqlite3/sqlite3result/columnname.xml b/reference/sqlite3/sqlite3result/columnname.xml
index 6c39111c62d2..0cdfce6969fc 100644
--- a/reference/sqlite3/sqlite3result/columnname.xml
+++ b/reference/sqlite3/sqlite3result/columnname.xml
@@ -16,6 +16,10 @@
   <para>
    Returns the name of the column specified by the
    <parameter>column_number</parameter>.
+   Note that the name of a result column is the value of the <literal>AS</literal> clause
+   for that column, if there is an <literal>AS</literal> clause. If there is no <literal>AS</literal>
+   clause then the name of the column is unspecified and may change from one release of libsqlite3
+   to the next.
   </para>
  </refsect1>