diff --git a/reference/mssql/functions/mssql-select-db.xml b/reference/mssql/functions/mssql-select-db.xml
index dd6c7b00bf..a8fbf6ca24 100644
--- a/reference/mssql/functions/mssql-select-db.xml
+++ b/reference/mssql/functions/mssql-select-db.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
 <!-- splitted from ./en/functions/mssql.xml, last change in rev 1.2 -->
   <refentry id="function.mssql-select-db">
    <refnamediv>
@@ -29,9 +29,11 @@
      made on the active database.
     </para>
     <para>
-     In order to select a database containing a space or a hyphen ("-") you
-     need to enclose the database name in brackets, like is shown in the
-     example below:
+     To escape the name of a database that contains spaces, hyphens ("-"), or
+     any other exceptional characters, the database name must be enclosed in
+     brackets, as is shown in the example, below. This technique must also be
+     applied when selecting a database name that is also a reserved word
+     (such as "primary").
     </para>
     <example>
      <title><function>mssql_select_db</function> example</title>