Bumper typo cleanup.

Inspired by some of the small patches that have gone by recently.
Limited to only things found in `generated/help.h`, plus a wider cleanup
for the more common "milisecond" typo.

1 files changed, 1 insertions, 1 deletions

diff --git a/Config.in b/Config.in
index d79abd28..fbd38e52 100644
--- a/Config.in
+++ b/Config.in
@@ -76,7 +76,7 @@ config TOYBOX_LIBCRYPTO
        bool "Use libcrypto (OpenSSL/BoringSSL)"
        default n
        help
-         Use faster hash functions out of exteral -lcrypto library.
+         Use faster hash functions out of external -lcrypto library.
 
 config TOYBOX_LIBZ
        bool "Use libz (zlib)"