diff --git a/DESCRIPTION b/DESCRIPTION
index f955ff5..ac501ec 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -2,8 +2,8 @@ Package: opensensmapr
 Type: Package
 Title: Client for the Data API of openSenseMap.org
 Version: 0.6.0
-URL: http://github.com/sensebox/opensensmapR
-BugReports: http://github.com/sensebox/opensensmapR/issues
+URL: https://github.com/sensebox/opensensmapR
+BugReports: https://github.com/sensebox/opensensmapR/issues
 Imports:
     dplyr,
     httr,
diff --git a/vignettes/osem-history.Rmd b/vignettes/osem-history.Rmd
index bcdd058..5a6ab21 100644
--- a/vignettes/osem-history.Rmd
+++ b/vignettes/osem-history.Rmd
@@ -163,7 +163,7 @@ ggplot(boxes_by_date, aes(x = as.Date(week), colour = event)) +
 
 We see a sudden rise in early 2017, which lines up with the fast growing grouptag `Luftdaten`.
 This was enabled by an integration of openSenseMap.org into the firmware of the
-air quality monitoring project [luftdaten.info](https://luftdaten.info).
+air quality monitoring project [luftdaten.info](https://sensor.community/de/).
 The dips in mid 2017 and early 2018 could possibly be explained by production/delivery issues
 of the senseBox hardware, but I have no data on the exact time frames to verify.