Fix typos in Readme.md and highcharter-helpers

Change-Id: I5e2ecf3cdbe391f1521a5383e2a525703905e00e
diff --git a/R/highcharter-helper.R b/R/highcharter-helper.R
index 929ac0a..29bdc5d 100644
--- a/R/highcharter-helper.R
+++ b/R/highcharter-helper.R
@@ -156,7 +156,7 @@
 #' Add KorAP search click events to highchart
 #'
 #' @description
-#' Adds on-click events to data points of highcarts that were constructed with
+#' Adds on-click events to data points of highcharts that were constructed with
 #' \code{\link{frequencyQuery}} or \code{\link{collocationScoreQuery}}. Clicks on data points
 #' then launch KorAP web UI queries for the given query term and virtual corpus in
 #' a separate tab.
diff --git a/Readme.md b/Readme.md
index 1f788b4..6f9990a 100644
--- a/Readme.md
+++ b/Readme.md
@@ -19,7 +19,7 @@
 
 ## Installation
 ### System Dependencies on Linux
-`RKorAPClient` uses some R packages with system depencies you might need to install first:
+`RKorAPClient` uses some R packages with system dependencies you might need to install first:
 ```bash
 #### Debian / Ubuntu
 sudo apt install r-base-dev libcurl4-gnutls-dev libxml2-dev libsodium-dev
diff --git a/man/highcharter-helpers.Rd b/man/highcharter-helpers.Rd
index 5dac932..94716c8 100644
--- a/man/highcharter-helpers.Rd
+++ b/man/highcharter-helpers.Rd
@@ -33,7 +33,7 @@
 Experimental convenience function for plotting typical frequency by year graphs with confidence intervals using highcharter.
 \bold{Warning:} This function may be moved to a new package.
 
-Adds on-click events to data points of highcarts that were constructed with
+Adds on-click events to data points of highcharts that were constructed with
 \code{\link{frequencyQuery}} or \code{\link{collocationScoreQuery}}. Clicks on data points
 then launch KorAP web UI queries for the given query term and virtual corpus in
 a separate tab.