doc/nasmdoc.src: fix typo in web link

Reported-by: Danny Cohen <[email protected]>
Signed-off-by: Cyrill Gorcunov <[email protected]>

Author: cyrillos

doc/nasmdoc.src

@@ -9294,7 +9294,7 @@ anyway.
 \A{source} Building NASM from Source
 
 The source code for NASM is available from our website,
-\W{http://www.nasm.us/}{http://wwww.nasm.us/}, see \k{website}.
+\W{http://www.nasm.us/}{http://www.nasm.us/}, see \k{website}.
 
 \H{tarball} Building from a Source Archive