diff --git a/doc/030_preparing_a_new_repo.rst b/doc/030_preparing_a_new_repo.rst
index 7f67d9561..de3061f08 100644
--- a/doc/030_preparing_a_new_repo.rst
+++ b/doc/030_preparing_a_new_repo.rst
@@ -221,6 +221,8 @@ REST server uses exactly the same directory structure as local backend,
 so you should be able to access it both locally and via HTTP, even
 simultaneously.
 
+.. _Amazon S3:
+
 Amazon S3
 *********
 
diff --git a/doc/040_backup.rst b/doc/040_backup.rst
index b9996311d..1b0888f6a 100644
--- a/doc/040_backup.rst
+++ b/doc/040_backup.rst
@@ -205,6 +205,7 @@ Combined with ``--verbose``, you can see a list of changes:
     Would be added to the repository: 25.551 MiB
 
 .. _backup-excluding-files:
+
 Excluding Files
 ***************
 
diff --git a/doc/045_working_with_repos.rst b/doc/045_working_with_repos.rst
index 860d01ae3..00d87a450 100644
--- a/doc/045_working_with_repos.rst
+++ b/doc/045_working_with_repos.rst
@@ -137,6 +137,7 @@ or the environment variable ``$RESTIC_FROM_KEY_HINT``.
     along with remotes which are configured in rclone.
 
 .. _copy-filtering-snapshots:
+
 Filtering snapshots to copy
 ---------------------------
 
diff --git a/doc/design.rst b/doc/design.rst
index 17ab4c1b5..3e25a0852 100644
--- a/doc/design.rst
+++ b/doc/design.rst
@@ -257,7 +257,7 @@ be downloaded and used to reconstruct the index. The file encoding is
 described in the "Unpacked Data Format" section. The plaintext consists
 of a JSON document like the following:
 
-.. code:: json
+.. code:: javascript
 
     {
       "supersedes": [