corrected MyST anchors location and minor error

docs/source/getting-started/authenticators-users-basics.md

@@ -1,7 +1,7 @@
-# Authentication and User Basics
-
 (authenticators)=
 
+# Authentication and User Basics
+
 The default Authenticator uses [PAM][] (Pluggable Authentication Module) to authenticate system users with
 their username and password. With the default Authenticator, any user
 with an account and password on the system will be allowed to login.

docs/source/getting-started/security-basics.md

@@ -1,7 +1,7 @@
-# Security settings
-
 (security-basics)=
 
+# Security settings
+
 :::{important}
 You should not run JupyterHub without SSL encryption on a public network.
 :::

docs/source/tutorial/installation/installation-basics.md

@@ -6,7 +6,7 @@ JupyterHub is supported on Linux/Unix based systems. To use JupyterHub, you need
 a Unix server (typically Linux) running somewhere that is accessible to your
 team on the network. The JupyterHub server can be on an internal network at your
 organization, or it can run on the public internet (in which case, take care
-with the Hub's [security](security-basics).
+with the Hub's [security](security-basics)).
 
 JupyterHub officially **does not** support Windows. You may be able to use
 JupyterHub on Windows if you use a Spawner and Authenticator that work on