diff --git a/demo/frequency_by_country_highcharts.R b/demo/frequency_by_country_highcharts.R
index 5529e13..bf3bcdf 100644
--- a/demo/frequency_by_country_highcharts.R
+++ b/demo/frequency_by_country_highcharts.R
@@ -2,7 +2,7 @@
 library(highcharter)
 library(tidyverse)
 
-QUERIES <- c("[tt/l=verunfallen]", "Sonnabend") # search in treetagger lemma annotations
+QUERIES <- c("(das|einen|den) Cola") # search in treetagger lemma annotations
 COUNTRIES <- c("AT", "BE", "CH", "DE", "IT", "LU")
 
 VCS <- sprintf("textType=/Zeit.*/ & pubPlaceKey=%s", COUNTRIES) # limit virtual corpus to newspapers and magazines
diff --git a/demo/relativeTextpositionBoxplot.R b/demo/relativeTextpositionBoxplot.R
index 6bb71a1..8a7a3be 100644
--- a/demo/relativeTextpositionBoxplot.R
+++ b/demo/relativeTextpositionBoxplot.R
@@ -1,5 +1,4 @@
 library(RKorAPClient)
-library(highcharter)
 library(tidyverse)
 
 kco <- KorAPConnection(verbose = TRUE)
@@ -27,6 +26,7 @@
   "anfangs/i",
   "zuguterletzt/i",
   "zun\u00e4chst/i", # it is still necessary to encode non ascii characters in R package demos
+  "zuallererst/i",
   "zuerst/i",
   "zuletzt/i",
   "schlie\u00dflich/i"