diff --git a/Examples.md b/Examples.md
index 756b186..d2225cc 100644
--- a/Examples.md
+++ b/Examples.md
@@ -1020,7 +1020,7 @@ bindkey "${FZF_MARKER_PLACEHOLDER_KEY:-\C-v}" _fzf_marker_placeholder_widget
 Search for all pdf files. FZF will match the query against any text found on the first page of the PDF. For instance, one can query for author names, article title, journal, institutions, keywords. It works by extracting the text on the first page of the PDF using ``pdftotext``.   
 The selected file is then opened by the default pdf viewer. 
 
-Requires the [pdftotext](https://en.wikipedia.org/wiki/Pdftotext) command line tool. Tested on Ubuntu 17.10.
+Requires the [pdftotext](https://en.wikipedia.org/wiki/Pdftotext) command line tool. Tested on Ubuntu 17.10 on bash and zsh.
 
 ![](https://user-images.githubusercontent.com/1019692/34446795-12229072-ecac-11e7-856a-ec0df0de60ae.gif)
 ```