[#3529] fixed typo, removed experimental note

Author: wwencel

doc/sphinx/arm/dhcp4-srv.rst

@@ -4535,7 +4535,7 @@ Stash Agent Options
 -------------------
 
 This global parameter was added in version 2.5.8 to mirror a feature that was
-previously available in ISC DHCP. When the ``stash-agent-option`` parameter
+previously available in ISC DHCP. When the ``stash-agent-options`` parameter
 is ``true``, the server records the relay agent information options sent
 during the client's initial DHCPREQUEST message (when the client was in the
 SELECTING state) and behaves as if those options are included in all

doc/sphinx/arm/hooks-legal-log.rst

@@ -1056,9 +1056,8 @@ parameters as defined in :ref:`database-configuration4`. The ``type``
 parameter should be ``mysql``, ``postgresql`` or ``logfile``; when
 it is absent or set to ``logfile``, files are used.
 
-This database feature is experimental. No specific tools are provided
-to operate the database, but standard tools may be used, for example,
-to dump the logs table from a MYSQL database:
+No specific tools are provided to operate the database, but standard
+tools may be used, for example, to dump the logs table from a MYSQL database:
 
 ::
 

doc/sphinx/arm/hooks-ping-check.rst

@@ -9,11 +9,6 @@ IPv4 address prior to offering it to a DHCP client. This feature is similar
 to a behavior available in ISC DHCP and one suggested in `RFC
 2131 <https://tools.ietf.org/html/rfc2131>`__, section 3.1, item 2.
 
-.. note::
-
-    This library is experimental and not recommended for use in production
-    environments.
-
 .. note::
 
     :ischooklib:`libdhcp_ping_check.so` is available only to ISC customers