diff --git a/books/portable-docker.org b/books/portable-docker.org
index f48254114..af82997c3 100644
--- a/books/portable-docker.org
+++ b/books/portable-docker.org
@@ -4241,7 +4241,7 @@ sync-web
 :EXPORT_HUGO_WEIGHT: 7210
 :END:
 
-[[https://en.wikipedia.org/wiki/Amazon_S3][S3]] is a storage API (first implemented at Amazon AWS), but has since
+[[https://en.wikipedia.org/wiki/Amazon_S3][S3]] is a storage API first implemented at Amazon AWS, but has since
 been copied and re-implemented as open source [[https://github.com/minio/minio][MinIO]]. MinIO is a
 service you can install to centrally store files in your network via
 the S3 API. With a web frontend like [[https://github.com/mickael-kerjean/filestash][Filestash]], you can host a file