commit - ce0d6424ca093024b516454badfced4c3f5d4d15
commit + e120e3077e4df9dd212f227021d1ce56cb280770
blob - 289fb07b979f6ac168b2a56edc7428966155dd3c
blob + a74d4a2af06ce40acc5fe9c0be9975b5965ae952
--- teach.c
+++ teach.c
@@ -28,6 +28,7 @@ struct alphabet { const char *name; const char *syms; 
 	{ "fltk", AB_FLTK },	/* with punctuation as found in FLTK version */
 	{ "full", AB_FULL },	/* with all (official) punctuation at the end */
 				/*  and B and X swapped to separate B from 6 */
+				/*  and 2 and N swapped to separate 2 from 3 */
 	{ "lcwo", AB_LCWO },	/* from "Learn CW Online" by DJ1YFK */
 	{ "lockd", AB_LOCKD },	/* from "Lockdown Morse" course by M0PTO */
 	{ "dj4uf", AB_DJ4UF },	/* from "Morselehrgang" by DJ4UF */