diff --git a/.drone.yml b/.drone.yml
index daf5886f3a..e49bd0725d 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -29,6 +29,11 @@ pipeline:
             - pip install twine
             - python setup.py sdist
             - twine check dist/*
+    check_doc:
+        image: ${IMAGE]
+        commands:
+            - pip install sphinx
+            - python -m sphinx -T -E -W -n -b html doc _build/html
 
 services:
     postgresql:
diff --git a/doc/design.rst b/doc/design.rst
index 5be1d02ff4..356e31d1f0 100644
--- a/doc/design.rst
+++ b/doc/design.rst
@@ -10,7 +10,7 @@ Scheduled Rate Updates
 ======================
 
 When the *Currency RO Module* is activated, the `Romanian National Bank
-<https://bnr.ro/>` is added as source.
+<https://bnr.ro/>`_ is added as source.
 If it is selected then only the Romanian Leu can be used as a base currency.
 
 .. seealso::
diff --git a/doc/index.rst b/doc/index.rst
index fb6e61ab98..5eea0af31c 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -2,8 +2,8 @@
 Currency RO Module
 ##################
 
-The *Currency RO Module* adds the `Romanian National Bank <https://bnr.ro/>` as
-a source for currency exchange rates.
+The *Currency RO Module* adds the `Romanian National Bank <https://bnr.ro/>`_
+as a source for currency exchange rates.
 
 .. toctree::
    :maxdepth: 2