Improve spelling.

doc/sphinx/whats-new/changes.rst

@@ -108,7 +108,7 @@ documentation.
 Backend connection timeout
 ==========================
 
-Backend connections will now ble closed by Varnish after `backend_idle_timeout`
+Backend connections will now be closed by Varnish after `backend_idle_timeout`
 seconds of inactivity.
 
 Previously they were kept around forever and the backend servers would close
@@ -129,7 +129,7 @@ A new `req_top` identifier is available in VCL, which is a reference to
 `req` in the top-level ESI request.
 
 This is useful to pass data back and forth between the main ESI request
-and any ESI subrequests it lead to.
+and any ESI sub-requests it lead to.
 
 
 Other noteworthy small changes

doc/sphinx/whats-new/upgrade-4.0.rst

@@ -132,7 +132,7 @@ Remember to import the std module if you're not doing so already.
 client.port, and server.port replaced by respectively std.port(client.ip) and std.port(server.ip)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-`client.ip` and `server.ip` are now proper datatypes, which renders
+`client.ip` and `server.ip` are now proper data types, which renders
 as an IP address by default. You need to use the `std.port()`
 function to get the port number.
 

doc/sphinx/whats-new/upgrading.rst

@@ -63,12 +63,12 @@ replaced as the active VCL.
 
 The following parameters have been retired:
 
-* `group` (security rewamp)
-* `group_cc` (security rewamp)
-* `listen_address` (security rewamp)
+* `group` (security revamp)
+* `group_cc` (security revamp)
+* `listen_address` (security revamp)
 * `pool_vbc`
 * `timeout_req` - merged with `timeout_idle`.
-* `user` (security rewamp)
+* `user` (security revamp)
 
 Minor changes of default values on `workspace_session` and `vsl_mask`.