DOCS-15003 BACKPORT v4.2 fix typos (#311)

Author: Dave

source/reference/command/validate.txt

@@ -97,9 +97,10 @@ 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
 --------