grammar fixes

Author: bcarroll

doc/jws.rst

@@ -6,7 +6,7 @@ JSON Web Signature (JWS)
 JSON Web Signature (JWS) represents content secured with digital signatures
 or Message Authentication Codes (MACs) using JSON-based data structures.
 
-It's assumed that you know all you need to know about key handling if not
+It is assumed that you know all you need to know about key handling if not
 please spend some time reading keyhandling_ .
 
 When it comes to JWS there are basically 2 things you want to be able to do: sign some data and verify that a
@@ -27,9 +27,9 @@ There are few steps you have to go through. Let us start with an example and the
 
 The steps:
 
-    1. You need keys, one of more. If you provide more then one the software will pick one that has all the necessary
-       qualifications. The keys *MUST* be instances of :py:class:`cryptojwt.jwk.JWK` or of sub classes of that class.
-    2. You need the information that are to be signed. It must be in the form of a string.
+    1. You need keys, one or more. If you provide more than one the software will pick one that has all the necessary
+       qualifications. The keys *MUST* be an instance of :py:class:`cryptojwt.jwk.JWK` or of a sub class of that class.
+    2. You need the information that is to be signed. It must be in the form of a string.
     3. You initiate the signer, providing it with the message and other needed information.
     4. You sign using the compact or the JSON method as described in section 7 of RFC7515_ .
 
@@ -50,10 +50,10 @@ Verifying a signature works like this (_jws comes from the first signing example
 
 The steps:
 
-    1. As with signing, you need a set of keys that can be used to verify the signature. If you provider more then
-       one possible, then the default is to use then one by one until one works or the list is empty.
+    1. As with signing, you need a set of keys that can be used to verify the signature. If you provide more than
+       one key, the default is to use them one by one until one works or the list is empty.
     2. Initiate the verifier. If you have a reason to expect that a particular signing algorithm is to be used you
-       should give that information to the verifier as shown here. If you don't know you can leave it out.
+       should give that information to the verifier as shown here. If you don't know, you can leave it out.
     3. Verify, using the compact or JSON method.
 
 Or slightly different::
@@ -89,4 +89,4 @@ If you have Key Jar instead of a simple set of keys you can do (not showing how
 This is a trick that is used in :py:class:`cryptojwt.jwt.JWT`
 
 
-.. _RFC7515: https://tools.ietf.org/html/rfc7515
+.. _RFC7515: https://tools.ietf.org/html/rfc7515