diff --git a/R/zzz.R b/R/zzz.R
new file mode 100644
index 0000000..0c99cf8
--- /dev/null
+++ b/R/zzz.R
@@ -0,0 +1,14 @@
+.onAttach <- function(libname, pkgname) {
+  #quietly <- getOption('quietly')
+  old <- options()
+  on.exit(options(old))
+  options(quietly = T)
+  packageStartupMessage(
+    usethis::ui_info(glue::glue("{usethis::ui_field('ggseqplot')} version {utils::packageVersion(pkgname)}
+                            Website: {usethis::ui_field('https://maraab23.github.io/ggseqplot/')}
+                            Please type {usethis::ui_code('citation(\"ggseqplot\")')} for citation information.")),
+    usethis::ui_info(glue::glue("{usethis::ui_field('ggseqplot')} attached {usethis::ui_field('TraMineR')} version {utils::packageVersion('TraMineR')}
+                            Please type {usethis::ui_code('citation(\"TraMineR\")')} for citation information."))
+  )
+  #options(quietly = quietly)
+}
diff --git a/docs/authors.html b/docs/authors.html
index 6530113..b557616 100644
--- a/docs/authors.html
+++ b/docs/authors.html
@@ -65,12 +65,12 @@ <h2>Authors</h2>
       <h2 id="citation">Citation</h2>
       <p><small class="dont-index">Source: <a href="https://github.com/maraab23/ggseqplot/blob/HEAD/inst/CITATION" class="external-link"><code>inst/CITATION</code></a></small></p>
 
-      <p>Raab, M. (2022): ggseqplot: Render Sequence Plots using 'ggplot2'. https://maraab23.github.io/ggseqplot/, https://github.com/maraab23/ggseqplot</p>
+      <p>Raab, M. (2022): ggseqplot: Render Sequence Plots using 'ggplot2'. https://maraab23.github.io/ggseqplot</p>
       <pre>@Manual{,
   author = {Marcel Raab},
   title = {ggseqplot: Render Sequence Plots using 'ggplot2'},
   year = {2022},
-  url = {https://maraab23.github.io/ggseqplot/, https://github.com/maraab23/ggseqplot},
+  url = {https://maraab23.github.io/ggseqplot},
 }</pre>
     </div>
   </main><aside class="col-md-3"><nav id="toc"><h2>On this page</h2>
diff --git a/inst/CITATION b/inst/CITATION
index 3f40a60..4b9f9e2 100644
--- a/inst/CITATION
+++ b/inst/CITATION
@@ -5,8 +5,6 @@ citEntry(
   author = "Marcel Raab",
   title = "ggseqplot: Render Sequence Plots using 'ggplot2'",
   year = "2022",
-  url = "https://maraab23.github.io/ggseqplot/, https://github.com/maraab23/ggseqplot",
-  textVersion = "Raab, M. (2022): ggseqplot: Render Sequence Plots using 'ggplot2'. https://maraab23.github.io/ggseqplot/, https://github.com/maraab23/ggseqplot"
+  url = "https://maraab23.github.io/ggseqplot/",
+  textVersion = "Raab, M. (2022): ggseqplot: Render Sequence Plots using 'ggplot2'. https://maraab23.github.io/ggseqplot"
 )
-
-