diff --git a/COPYING b/COPYING
index becc98987..bdb044883 100644
--- a/COPYING
+++ b/COPYING
@@ -314,6 +314,11 @@ WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
 OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 SOFTWARE.
 
+Except as contained in this notice, the name of Silicon Graphics, Inc.
+shall not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization from
+Silicon Graphics, Inc.
+
 
 Copyright (c) 1994, 1995  Hewlett-Packard Company