-\f[B]-f\f[R], \f[B]\[en]flip\f[R]
-Show second column first
+\f[B]-v\f[R], \f[B]--version\f[R]
+Print version and exit
+.SS Startup options
+.TP
+\f[B]-a\f[R], \f[B]--alphabetize\f[R]
+Alphabetize card order
+.TP
+\f[B]-p\f[R], \f[B]--purge\f[R]
+Purge cache for chosen set