[PATCH] Fix typos in documentation

[yanis....@smile.fr]

From: Yanis BINARD <yanis....@smile.fr>

Signed-off-by: Yanis BINARD <yanis....@smile.fr>
---
doc/source/signed_images.rst | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/source/signed_images.rst b/doc/source/signed_images.rst
index f16aab26..ad11f1a1 100644
--- a/doc/source/signed_images.rst
+++ b/doc/source/signed_images.rst
@@ -63,13 +63,13 @@ with the `-k` parameter.
Architecture of crypto subsystem
--------------------------------

-The subszstem consists of crypto "providers", services and modules.
+The subsystem consists of crypto "providers", services and modules.
A provider is a library that allows to build services. It is an external library
like openSSL. Modules will use one of the provider to implement one service.
SWUpdate defines three type of services : Verification, Hashing and Decryption.

The modules are the specific implementation of one of the services with
-an algorythm supported by the provided. It can be CMS, AES, pkcs#11, etc.
+an algorithm supported by the provided. It can be CMS, AES, pkcs#11, etc.
Multiple modules can be installed, and the choice can be done at runtime.

.. image:: images/crypto_architecture.png