Fix slime-describe-function key binding in the manual: it's C-c C-d f, not C-c C-f.
Index: doc/slime.texi =================================================================== RCS file: /project/slime/cvsroot/slime/doc/slime.texi,v retrieving revision 1.69 diff -p -u -u -r1.69 slime.texi --- doc/slime.texi 26 Feb 2009 21:50:00 -0000 1.69 +++ doc/slime.texi 8 Mar 2009 18:32:39 -0000 @@ -980,7 +980,7 @@ argument list for the function at point, @kbditem{C-c C-d d, slime-describe-symbol} Describe the symbol at point.
-@kbditem{C-c C-f, slime-describe-function} +@kbditem{C-c C-d f, slime-describe-function} Describe the function at point.
@kbditem{C-c C-d a, slime-apropos}