DOCS-15003 BACKPORT v4.4 fix typos (#312)

Author: Dave

source/reference/command/validate.txt

@@ -112,9 +112,10 @@ Restrictions
 MongoDB drivers automatically set :ref:`afterClusterTime
 <afterClusterTime>` for operations associated with :ref:`causally
 consistent sessions <causal-consistency>`. Starting in MongoDB 4.2, the
-:dbcommand:`validate` command no longer support :ref:`afterClusterTime
-<afterClusterTime>`. As such, :dbcommand:`validate` cannot be associatd
-with :ref:`causally consistent sessions <causal-consistency>`.
+:dbcommand:`validate` command no longer supports :ref:`afterClusterTime
+<afterClusterTime>`. As such, :dbcommand:`validate` cannot be
+associated with :ref:`causally consistent sessions
+<causal-consistency>`.
 
 Examples
 --------
@@ -131,7 +132,6 @@ Examples
   .. code-block:: javascript
 
      db.runCommand( { validate: "myCollection", full: true } )
-    
 
 .. _validate-output: