diff --git a/README.md b/README.md
index d2b8dd5..ac787b2 100644
--- a/README.md
+++ b/README.md
@@ -4,3 +4,4 @@ todo
 - [ ] handle input prompt
 - [x] -i input option
 - [x] -f input file
+- [x] piping input from stdin
diff --git a/sparte.go b/sparte.go
index 8619d4a..d26b4fb 100644
--- a/sparte.go
+++ b/sparte.go
@@ -103,7 +103,7 @@ Usage: sparte [--help] [URL] [-i INPUT] [-f FILE]
 
 	--help     usage
 	-i         send INPUT to URL
-	-f         send contents of FILE as input to UR
+	-f         send contents of FILE as input to URL (use - for reading stdin pipe)
 
 	`)
 	return