updated for version 7.4.193
Problem:    Typos in messages.
Solution:   "then" -> "than". (Dominique Pelle)
diff --git a/src/spell.c b/src/spell.c
index fd7e4e1..82bf2db 100644
--- a/src/spell.c
+++ b/src/spell.c
@@ -12037,7 +12037,7 @@
 		/* Normal byte, go one level deeper.  If it's not equal to the
 		 * byte in the bad word adjust the score.  But don't even try
 		 * when the byte was already changed.  And don't try when we
-		 * just deleted this byte, accepting it is always cheaper then
+		 * just deleted this byte, accepting it is always cheaper than
 		 * delete + substitute. */
 		if (c == fword[sp->ts_fidx]
 #ifdef FEAT_MBYTE