diff --git a/doc_src/cmds/abbr.rst b/doc_src/cmds/abbr.rst
index 32c8f62f4..7218263cf 100644
--- a/doc_src/cmds/abbr.rst
+++ b/doc_src/cmds/abbr.rst
@@ -32,9 +32,10 @@ An abbreviation may match a literal word, or it may match a pattern given by a r
 
 Combining these features, it is possible to create custom syntaxes, where a regular expression recognizes matching tokens, and the expansion function interprets them. See the `Examples`_ section.
 
-Abbreviations may be added to :ref:`config.fish <configuration>`.
-
-
+.. versionchanged:: 3.6.0
+   Previous versions of this allowed saving abbreviations in universal variables.
+   That's no longer possible. Existing variables will still be imported and ``abbr --erase`` will also erase the variables.
+   We recommend adding abbreviations to :ref:`config.fish <configuration>` by just adding the ``abbr --add`` command.
 
 "add" subcommand
 --------------------
diff --git a/doc_src/python_docs_theme/static/pydoctheme.css b/doc_src/python_docs_theme/static/pydoctheme.css
index ea1a1ac34..c9ea726c5 100644
--- a/doc_src/python_docs_theme/static/pydoctheme.css
+++ b/doc_src/python_docs_theme/static/pydoctheme.css
@@ -169,7 +169,7 @@ div.warning {
   border: 1px solid #f66;
 }
 
-div.admonition {
+div.admonition, div.versionchanged {
   padding: 7px;
 }
 
@@ -177,7 +177,7 @@ p.admonition-title::after {
   content: ":";
 }
 
-p.admonition-title {
+p.admonition-title, span.versionmodified {
   display: inline;
   font-weight: bold;
 }