Update README.md

Author: gnowzil

README.md

@@ -15,6 +15,6 @@ Examples are located in the directory matlab/examples.
 
 If you downloaded the evaluation or student version of SNOPT and need the Matlab m-files and examples, the files are located in the matlab directory.
 
-Documentation for the Matlab interface available <a href="http://ccom.ucsd.edu/~elwong/p/snoptMatlab.pdf">here</a>.
+Documentation for the Matlab interface available <a href="http://ccom.ucsd.edu/~optimizers/docs/snopt">here</a>.
 
-**NOTE** Check out branch 'version3' for the next version of the matlab interface.
+**NOTE** Check out branch 'version3' for the next version of the matlab interface.