typo in a comment

crypto/bn/bn_mont.c

@@ -305,7 +305,7 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx)
 		else /* if N mod word size == 1 */
 			BN_set_word(&Ri,BN_MASK2);  /* Ri-- (mod word size) */
 		BN_div(&Ri,NULL,&Ri,&tmod,ctx);	/* Ni = (R*Ri-1)/N,
-		                                 * keep only list significant word: */
+		                                 * keep only least significant word: */
 		mont->n0=Ri.d[0];
 		BN_free(&Ri);
 		}