Commit eda7a873691b ("Files generated by PkgTemplates") used lowercase
module name `cowsay`. Commit 1dfe64246b78 ("Fix package name") changed
the module to use capitalized module name (`Cowsay`) and the function to
use the lowercase name (`cowsay`). Update docs generation to match those
changes.
Signed-off-by: Thomas A. Christensen II <25492070+MillironX@users.noreply.github.com>