Merge pull request #1634 from gravitational/ev/docs-fix

Updated session_recording documentation

docs/2.4/admin-guide.md

@@ -287,10 +287,10 @@ auth_service:
         - "auth:yyyy"
 
     # Optional setting for configuring session recording. Possible values are:
-    #    "on"    : sessions will be recorded on the node level  (the default)
+    #    "node"  : sessions will be recorded on the node level  (the default)
     #    "proxy" : recording on the proxy level, see "recording proxy mode" in "Audit Log" section
     #    "off"   : session recording is turned off
-    session_recording: "on"
+    session_recording: "node"
 
     # License file to start auth server with. Note that this setting is ignored
     # in open-source Teleport and is required only for Teleport Pro, Business
@@ -815,7 +815,7 @@ To enable session recording for `sshd` nodes, the cluster must be switched to
 ```bash
 # snippet from /etc/teleport.yaml
 auth_service:
-   session_recording: "proxy"  # can also be "off" and "on" (default)
+   session_recording: "proxy"  # can also be "off" and "node" (default)
 ```
 
 Next, `sshd` must be told to allow users to log in with certificates generated by the