[7.14] Tweak language in compatibility section

Co-authored-by: Seth Michael Larson <seth.larson@elastic.co>

Author: github-actions[bot]

README.rst

@@ -59,8 +59,8 @@ Compatibility
 -------------
 
 Language clients are forward compatible; meaning that clients support communicating
-with greater minor versions of Elasticsearch. Elastic language clients are also backwards
-compatible with lesser supported minor Elasticsearch versions.
+with greater or equal minor versions of Elasticsearch. Elasticsearch language clients
+are only backwards compatible with default distributions and without guarantees made.
 
 If you have a need to have multiple versions installed at the same time older
 versions are also released as ``elasticsearch2`` and ``elasticsearch5``.

docs/guide/overview.asciidoc

@@ -11,10 +11,8 @@ on https://elasticsearch-py.readthedocs.io[Read the Docs].
 === Compatibility
 
 Language clients are forward compatible; meaning that clients support communicating
-with greater minor versions of Elasticsearch.
-
-Elastic language clients are also backwards compatible with lesser supported
-minor Elasticsearch versions.
+with greater or equal minor versions of Elasticsearch. Elasticsearch language clients
+are only backwards compatible with default distributions and without guarantees made.
 
 If you have a need to have multiple versions installed at the same time older
 versions are also released as `elasticsearch2` and `elasticsearch5`.

docs/sphinx/index.rst

@@ -30,10 +30,8 @@ Compatibility
 -------------
 
 Language clients are forward compatible; meaning that clients support communicating
-with greater minor versions of Elasticsearch.
-
-Elastic language clients are also backwards compatible with lesser supported
-minor Elasticsearch versions.
+with greater or equal minor versions of Elasticsearch. Elasticsearch language clients
+are only backwards compatible with default distributions and without guarantees made.
 
 If you have a need to have multiple versions installed at the same time older
 versions are also released as ``elasticsearch2``, ``elasticsearch5`` and ``elasticsearch6``.