diff --git a/docs/change_log/release-3.0.md b/docs/change_log/release-3.0.md
index 7ed92fac1..29cdc4d34 100644
--- a/docs/change_log/release-3.0.md
+++ b/docs/change_log/release-3.0.md
@@ -18,7 +18,7 @@ ignored. Previously the keyword was `True` by default and enabled an
 undocumented way to define attributes on document elements. The feature has been
 removed from version 3.0. As most users did not use the undocumented feature, it
 should not affect most users. For the few who did use the feature, it can be
-enabled by using the [Legacy Attributes](../extensions/legacy_attr.md)
+enabled by using the [Legacy Attributes](../extensions/legacy_attrs.md)
 extension.
 
 ### `smart_emphasis` keyword and `smart_strong` extension deprecated
diff --git a/docs/extensions/index.md b/docs/extensions/index.md
index bbdf24871..6481caa13 100644
--- a/docs/extensions/index.md
+++ b/docs/extensions/index.md
@@ -47,7 +47,7 @@ Extension                          | Entry Point    | Dot Notation
     [Tables]             | `tables`       | `markdown.extensions.tables`
 [Admonition]                       | `admonition`   | `markdown.extensions.admonition`
 [CodeHilite]                       | `codehilite`   | `markdown.extensions.codehilite`
-[Legacy Attributes]                | `legacy_attr`  | `markdown.extensions.legacy_attr`
+[Legacy Attributes]                | `legacy_attrs`  | `markdown.extensions.legacy_attrs`
 [Legacy Emphasis]                  | `legacy_em`    | `markdown.extensions.legacy_em`
 [Meta-Data]                        | `meta`         | `markdown.extensions.meta`
 [New Line to Break]                | `nl2br`        | `markdown.extensions.nl2br`
@@ -65,7 +65,7 @@ Extension                          | Entry Point    | Dot Notation
 [Tables]: tables.md
 [Admonition]: admonition.md
 [CodeHilite]: code_hilite.md
-[Legacy Attributes]: legacy_attr.md
+[Legacy Attributes]: legacy_attrs.md
 [Legacy Emphasis]: legacy_em.md
 [Meta-Data]: meta_data.md
 [New Line to Break]: nl2br.md
diff --git a/docs/extensions/legacy_attr.md b/docs/extensions/legacy_attrs.md
similarity index 94%
rename from docs/extensions/legacy_attr.md
rename to docs/extensions/legacy_attrs.md
index 0204872ed..daa566d32 100644
--- a/docs/extensions/legacy_attr.md
+++ b/docs/extensions/legacy_attrs.md
@@ -54,7 +54,7 @@ You can also define attributes in images:
 
 ## Usage
 
-See [Extensions](index.md) for general extension usage. Use `legacy_attr` as the
+See [Extensions](index.md) for general extension usage. Use `legacy_attrs` as the
 name of the extension.
 
 This extension does not accept any special configuration options.
@@ -62,5 +62,5 @@ This extension does not accept any special configuration options.
 A trivial example:
 
 ```python
-markdown.markdown(some_text, extensions=['legacy_attr'])
+markdown.markdown(some_text, extensions=['legacy_attrs'])
 ```
diff --git a/mkdocs.yml b/mkdocs.yml
index 9a4f45a1b..1fa29f6b6 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -27,7 +27,7 @@ nav:
       - Extra: extensions/extra.md
       - Fenced Code Blocks: extensions/fenced_code_blocks.md
       - Footnotes: extensions/footnotes.md
-      - Legacy Attributes: extensions/legacy_attr.md
+      - Legacy Attributes: extensions/legacy_attrs.md
       - Legacy Emphasis: extensions/legacy_em.md
       - Meta-Data: extensions/meta_data.md
       - New Line to Break: extensions/nl2br.md