[blog] fix E-ACSL link

_posts/2022-12-20-frama-c-docker-e-acsl.md

@@ -12,7 +12,7 @@ available on Docker Hub were based on
 However, its reliance on [musl](https://www.musl-libc.org/) instead of
 the [GNU libc](https://www.gnu.org/software/libc/) (present in most Linux
 distributions) led to incompatibility issues with the
-[E-ACSL]{% link _fc-plugins/e-acsl.md %} plug-in. For this reason, current
+[E-ACSL]({% link _fc-plugins/e-acsl.md %}) plug-in. For this reason, current
 and future Docker images will be based on [Debian](https://www.debian.org/)
 instead.