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diff --git a/articles/create_an_ontology.html b/articles/create_an_ontology.html
index a4c33b5..e2a6720 100644
--- a/articles/create_an_ontology.html
+++ b/articles/create_an_ontology.html
@@ -202,7 +202,7 @@ <h2 id="new-ontology">New ontology<a class="anchor" aria-label="anchor" href="#n
 <td align="left">1</td>
 <td align="left">harmonised</td>
 <td align="left">0.0.1</td>
-<td align="left">2023-12-20</td>
+<td align="left">2024-01-06</td>
 <td align="left">showcase of the ontologics R-package</td>
 <td align="left"><a href="https://github.com/luckinet/ontologics" class="external-link uri">https://github.com/luckinet/ontologics</a></td>
 <td align="left">CC-BY-4.0</td>
diff --git a/authors.html b/authors.html
index f063066..532aab5 100644
--- a/authors.html
+++ b/authors.html
@@ -81,14 +81,14 @@ <h1 id="citation">Citation</h1>
     </div>
 
 
-    <p>Ehrmann S, Rümmler A (2023).
+    <p>Ehrmann S, Rümmler A (2024).
 <em>ontologics: Code-Logics to Handle Ontologies</em>.
 R package version 0.7.2, <a href="https://github.com/luckinet/ontologics" class="external-link">https://github.com/luckinet/ontologics</a>. 
 </p>
     <pre>@Manual{,
   title = {ontologics: Code-Logics to Handle Ontologies},
   author = {Steffen Ehrmann and Arne Rümmler},
-  year = {2023},
+  year = {2024},
   note = {R package version 0.7.2},
   url = {https://github.com/luckinet/ontologics},
 }</pre>
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diff --git a/pkgdown.yml b/pkgdown.yml
index 0badb30..a7cbcfe 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -6,7 +6,7 @@ articles:
   create_an_ontology: create_an_ontology.html
   map_new_concepts: map_new_concepts.html
   ontology_database_description: ontology_database_description.html
-last_built: 2023-12-20T13:08Z
+last_built: 2024-01-06T14:43Z
 urls:
   reference: http://luckinet.github.io/ontologics/reference
   article: http://luckinet.github.io/ontologics/articles
diff --git a/reference/get_concept.html b/reference/get_concept.html
index 40d089d..9310b07 100644
--- a/reference/get_concept.html
+++ b/reference/get_concept.html
@@ -71,9 +71,7 @@ <h1>Get a concept in an ontology</h1>
     <div id="arguments">
     <h2>Arguments</h2>
     <dl><dt>...</dt>
-<dd><p>combination of column name and value to filter that column by. The
-value to filter by can be provided as regular expression, if <code>regex =
-  TRUE</code>.</p></dd>
+<dd><p>combination of column name and value to filter that column by.</p></dd>
 
 
 <dt>external</dt>