Revert "Specialize Readme.md for tidyverse branch"

This reverts commit ea046fac300019eb2315bde7b66ee1490385b616.

Change-Id: I37d35d872a2bdfb52763d35eeeefa326f38f5212
diff --git a/Readme.md b/Readme.md
index 0cefd0e..1d845f8 100644
--- a/Readme.md
+++ b/Readme.md
@@ -1,5 +1,5 @@
 ---
-KorAP web service client package for R: tidyverse branch
+KorAP web service client package for R
 ---
 
 ## Description
@@ -15,10 +15,10 @@
 ```R
 # install.packages("devtools")
 library(devtools)
-install_git("https://korap.ids-mannheim.de/gerrit/KorAP/RKorAPClient", ref="tidy")
+install_git("https://korap.ids-mannheim.de/gerrit/KorAP/RKorAPClient") 
 library(RKorAPClient)
 ?corpusQuery
-?freqeuncyQuery
+?frequencyQuery
 ```
 
 ## Hello world