updated for version 7.1b
diff --git a/src/os_mac_conv.c b/src/os_mac_conv.c
index 9f19a80..56d8953 100644
--- a/src/os_mac_conv.c
+++ b/src/os_mac_conv.c
@@ -74,7 +74,7 @@
fprintf(stderr, "Encoding failed\n");
/* When conversion failed, try excluding bytes from the end, helps when
* there is an incomplete byte sequence. Only do up to 6 bytes to avoid
- * looping a long time when there really is something unconvertable. */
+ * looping a long time when there really is something unconvertible. */
while (cfstr == NULL && unconvlenp != NULL && len > 1 && *unconvlenp < 6)
{
--len;