Fix Minor Typos in Docs

docs/database.rst

@@ -101,7 +101,7 @@ this (again, assume some of the variables in this example have been set
 beforehand):
 
 .. code-block:: php
-    :caption: Store a string UUID to the uuid column
+    :caption: Store UUID bytes to the uuid column
     :name: database.uuid-bytes-store-example
 
     $sth->execute([
@@ -186,7 +186,7 @@ with this approach, but there are a couple of points to consider:
 We'll deal with the first point in the section, :ref:`database.order`. For the
 second point, if you are using the string version of the UUID (i.e.,
 ``char(36)``), then not only will the primary key be large and take up a lot of
-space, but every secondary key that uses that primary key will also be must
+space, but every secondary key that uses that primary key will also be much
 larger.
 
 For this reason, if you choose to use UUIDs as primary keys, it might be worth

docs/upgrading/3-to-4.rst

@@ -33,7 +33,7 @@ There are a lot of new features in ramsey/uuid! Here are a few of them:
   * :php:class:`Rfc4122\\UuidV3 <Ramsey\\Uuid\\Rfc4122\\UuidV3>`
   * :php:class:`Rfc4122\\UuidV4 <Ramsey\\Uuid\\Rfc4122\\UuidV4>`
   * :php:class:`Rfc4122\\UuidV5 <Ramsey\\Uuid\\Rfc4122\\UuidV5>`
-  * Rfc4122\\NilUuid
+  * :php:class:`Rfc4122\\NilUuid <Ramsey\\Uuid\\Rfc4122\\NilUuid>`
 
 * Add classes to represent version 6 UUIDs, GUIDs, and nonstandard
   (non-RFC 4122 variants) UUIDs: