Add thin space in R 5 and remove D-

Thanks @Norbert!

Change-Id: I82bbcf32ed5a960d3908fafa9c0c71300f288204
diff --git a/inst/rmarkdown/templates/posterdown_ids/resources/template.html b/inst/rmarkdown/templates/posterdown_ids/resources/template.html
index 4d52ffd..d97d84a 100644
--- a/inst/rmarkdown/templates/posterdown_ids/resources/template.html
+++ b/inst/rmarkdown/templates/posterdown_ids/resources/template.html
@@ -705,8 +705,8 @@
     <br/>
 <b>Street Address:</b><br/>
 Leibniz-Institut für Deutsche Sprache<br/>
-R5, 6-13<br/>
-D-68161 Mannheim<br/>
+R 5, 6-13<br/>
+68161 Mannheim<br/>
 Germany<br/>
 <br/>
 Phone: +49 621 1581-0<br/>