diff --git a/content/templates/functions.md b/content/templates/functions.md
index fe0f2e251..0573978de 100644
--- a/content/templates/functions.md
+++ b/content/templates/functions.md
@@ -337,6 +337,15 @@ e.g.
     {{ end }}
 
 ## Files    
+
+### readDir
+
+Gets a directory listing from a directory relative to the current project working dir. 
+
+So, If the project working dir has a single file named `README.txt`:
+
+`{{ range (readDir ".") }}{{ .Name }}{{ end }}` → "README.txt"
+
 ### readFile
 Reads a file from disk and converts it into a string. Note that the filename must be relative to the current project working dir.
  So, if you have a file with the name `README.txt` in the root of your project with the content `Hugo Rocks!`: