Fixed weird typo in docs.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403509

docs/docs/imaging.xml

@@ -174,7 +174,7 @@
              the SURF algorithm does you should read the following paper:
              <blockquote>
                SURF: Speeded Up Robust Features
-               By Herbert Bay1 , Tinne Tuytelaars2 , and Luc Van Gool12
+               By Herbert Bay, Tinne Tuytelaars, and Luc Van Gool
              </blockquote>
              <p>
                 Also note that there are numerous flavors of the SURF algorithm