docs: clarify LTS language (#20875)

* docs: clarify LTS language

website/content/docs/connect/proxies/envoy.mdx

@@ -33,8 +33,9 @@ Envoy must be run with the `--max-obj-name-len` option set to `256` or greater f
 
 The following matrix describes Envoy compatibility for the
 currently supported major Consul releases:
-- The N-2 major releases
-- The 2 latest Consul Enterprise LTS major releases
+- The latest (N) release of Consul community edition (CE) and Enterprise
+- The 2 preceding major releases (N-1 and N-2) of Consul Enterprise
+- The 2 latest [Consul Enterprise LTS](/consul/docs/enterprise/long-term-support) major releases
 
 For previous Consul version compatibility,
 refer to the previous release's version of this page.
@@ -43,7 +44,7 @@ refer to the previous release's version of this page.
 
 Every major Consul release initially supports **four major Envoy releases**.
 Standard major Consul releases do not expand that support in minor releases.
-However, Consul Enterprise [Long Term Support (LTS)](/consul/docs/enterprise/long-term-support)
+However, [Consul Enterprise Long Term Support (LTS)](/consul/docs/enterprise/long-term-support)
 releases do expand their Envoy version compatibility window in minor releases
 to ensure compatibility with a maintained Envoy version.
 

website/content/docs/enterprise/long-term-support.mdx

@@ -35,7 +35,7 @@ as described in the following sections.
 
 ### Standard Term Support lifecycle
 
-All major releases of Consul Enterprise and community edition receive _Standard Term Support_ (STS)
+All major releases of Consul Enterprise receive _Standard Term Support_ (STS)
 for approximately one year, per HashiCorp's
 [Support Period Policy](https://support.hashicorp.com/hc/en-us/articles/360021185113-Support-Period-and-End-of-Life-EOL-Policy).
 

website/content/docs/upgrading/index.mdx

@@ -60,14 +60,18 @@ Consul is A, and version B is released.
 
 We encourage organizations to use a maintained version of Consul
 so that they benefit from bug and security fixes in minor releases.
-Standard major releases of Consul are maintained for approximately 1 year.
-Consul Enterprise [Long Term Support (LTS)](/consul/docs/enterprise/long-term-support)
-releases are maintained for approximately 2 years.
+
+### Consul community edition
 
 For Consul community edition users,
-consistently operating a maintained version requires a major version upgrade at least every 8 months.
-Each upgrade can jump at most 2 major versions, and Consul has a major version release every 4 months.
-Therefore, the maximum upgrade jump catches up on 8 months of major releases.
+consistently operating a maintained version requires upgrading
+every 4 months to the latest major release.
+
+### Consul Enterprise
+
+Standard major releases of Consul Enterprise are maintained for approximately 1 year.
+[Consul Enterprise Long Term Support (LTS)](/consul/docs/enterprise/long-term-support)
+releases are maintained for approximately 2 years.
 
 For Consul Enterprise customers,
 consistently operating a maintained version requires a major upgrade every 12 months
@@ -76,7 +80,6 @@ LTS releases support an upgrade jump of at most 3 major versions.
 For more details, refer to
 [Long Term Support upgrade recommendation](/consul/docs/enterprise/long-term-support#annual-upgrade-to-next-lts-release).
 
-
 ## Large Version Jumps
 
 If your Consul deployment is many major versions behind the latest release