[PATCH] doc: Fix a typo in curve25519-sha256@xxxxxxxxxxxxxx

[Tobias Klauser <tklauser@xxxxxxxxxx>]

Fix the typo 'stengths' -> 'strengths' and remove the trailing white
space on the same line.

Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxx>
---
 doc/curve25519-sha256@xxxxxxxxxxxxxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/curve25519-sha256@xxxxxxxxxxxxxx b/doc/curve25519-sha256@xxxxxxxxxxxxxx
index baa2ca4..0317fe4 100644
--- a/doc/curve25519-sha256@xxxxxxxxxxxxxx
+++ b/doc/curve25519-sha256@xxxxxxxxxxxxxx
@@ -22,7 +22,7 @@ claims to be able to eavesdrop. Having a secure replacement would make passive
 attacks much harder if such a backdoor exists.
 
 However an alternative exists in the form of Curve25519. This algorithm has been
-proposed in 2006 by DJB [Curve25519]. Its main stengths are its speed, its 
+proposed in 2006 by DJB [Curve25519]. Its main strengths are its speed, its
 constant-time run time (and resistance against side-channel attacks), and its
 lack of nebulous hard-coded constants.
 
-- 
2.2.1