diff --git a/docs/extensions/mediawiki.md b/docs/extensions/mediawiki.md
index 255a443..f5e124f 100644
--- a/docs/extensions/mediawiki.md
+++ b/docs/extensions/mediawiki.md
@@ -17,11 +17,9 @@ This extension uses its own cache, separate from the MusicBrainz loader cache.
 
 This extension can be configured using environment variables:
 
-* **`COVER_ART_ARCHIVE_BASE_URL`**: The base URL at which to access to Cover Art
-  Archive API. Defaults to `http://coverartarchive.org/`.
-* **`COVER_ART_ARCHIVE_CACHE_SIZE`**: The number of items to keep in the cache.
+* **`MEDIAWIKI_CACHE_SIZE`**: The number of items to keep in the cache.
   Defaults to `GRAPHBRAINZ_CACHE_SIZE` if defined, or `8192`.
-* **`COVER_ART_ARCHIVE_CACHE_TTL`**: The number of seconds to keep items in the
+* **`MEDIAWIKI_CACHE_TTL`**: The number of seconds to keep items in the
   cache. Defaults to `GRAPHBRAINZ_CACHE_TTL` if defined, or `86400000` (one day).
 
 [relationships]: https://musicbrainz.org/relationships
diff --git a/src/extensions/mediawiki/prologue.md b/src/extensions/mediawiki/prologue.md
index f296d34..63b89a4 100644
--- a/src/extensions/mediawiki/prologue.md
+++ b/src/extensions/mediawiki/prologue.md
@@ -13,11 +13,9 @@ This extension uses its own cache, separate from the MusicBrainz loader cache.
 
 This extension can be configured using environment variables:
 
-* **`COVER_ART_ARCHIVE_BASE_URL`**: The base URL at which to access to Cover Art
-  Archive API. Defaults to `http://coverartarchive.org/`.
-* **`COVER_ART_ARCHIVE_CACHE_SIZE`**: The number of items to keep in the cache.
+* **`MEDIAWIKI_CACHE_SIZE`**: The number of items to keep in the cache.
   Defaults to `GRAPHBRAINZ_CACHE_SIZE` if defined, or `8192`.
-* **`COVER_ART_ARCHIVE_CACHE_TTL`**: The number of seconds to keep items in the
+* **`MEDIAWIKI_CACHE_TTL`**: The number of seconds to keep items in the
   cache. Defaults to `GRAPHBRAINZ_CACHE_TTL` if defined, or `86400000` (one day).
 
 [relationships]: https://musicbrainz.org/relationships