diff --git a/docs/simplesamlphp-upgrade-notes-1.18.md b/docs/simplesamlphp-upgrade-notes-1.18.md
index 9638f62166b46074fcd6f64523e707f7721937cb..785563c8ebd00d94c2fe1c8ab0a9a929d35d8df0 100644
--- a/docs/simplesamlphp-upgrade-notes-1.18.md
+++ b/docs/simplesamlphp-upgrade-notes-1.18.md
@@ -6,7 +6,7 @@ The minimum PHP version required is now PHP 5.6.
 ### Deprecations
 
 * The use of the PHP `memcache` extension was deprecated in favour of `memcached`.
-In order to keep using memcache functionality you have to move to the PHP `memchached` extension,
+In order to keep using memcache functionality you have to move to the PHP `memcached` extension,
 which is available from PECL; see https://pecl.php.net/package/memcached. The former is considered abandoned
 and it's safe use can no longer be guaranteed.