Apply suggestions from code review

Co-authored-by: Razvan-Daniel Mihai <[email protected]>

Author: sbernauer

modules/concepts/pages/operations/index.adoc

@@ -27,7 +27,7 @@ Make sure to go through the following checklist to achieve the maximum level of
    Although we try our best to reduce the impact of disruptions, some tools simply don't support HA setups.
    One example is the Trino coordinator - if you restart it, all running queries will fail.
    Many products use temporary credentials (such as TLS certificates), which have a short lifetime by default for maximum security.
-   Please read on xref:operations/temporary_credentials_lifetime.adoc[] on how you can increase the lifetime of this temporary credentials too avoid frequent restarts.
+   The xref:operations/temporary_credentials_lifetime.adoc[] page describes how you can increase the lifetime of this temporary credentials too avoid frequent restarts.
 
 == Maintenance actions
 

modules/concepts/pages/operations/temporary_credentials_lifetime.adoc

@@ -8,7 +8,7 @@
 Currently the only temporary credentials are TLS certificates.
 
 Many products use TLS to secure the communications, often times customers use the xref:secret-operator:secretclass.adoc#backend-autotls[secret-operator autoTls] backend to create TLS certificates for the Pods on the fly.
-For maximum security these temporary credentials have a short lifetime by default, which will result in e.g. your Trino coordinator restarting every ~24 hours (minus some safety buffer) to avoid using expired certificates.
+To increase security, these temporary credentials have a short lifetime by default, which will result in e.g.  Trino coordinator Pods restarting every ~24 hours (minus some safety buffer) to avoid using expired certificates.
 
 == Configure the lifetime
 
@@ -55,7 +55,7 @@ NOTE: The configuration for the JournalNodes is done at roleGroup level for demo
 
 Even though operators allow setting this property to a value of your choice, the xref:secret-operator:index.adoc[secret-operator] will not exceed the `maxCertificateLifetime` value specified in SecretClass creating the TLS certificates (see xref:secret-operator/secretclass.adoc#certificate_lifetime).
 
-=== Operators supporting the lifetime configuration
+=== Operator support
 
 Similar to the example above, users can configure the lifetime of temporary credentials for the following operators: