diff --git a/README.md b/README.md
index dcd4afd..1cb0237 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # watchdog
 go get code.uint32.ru/tiny/watchdog 
 
-This package is a dead simple monitoring systems which may be used to check availability of online resources.
+This package is a dead simple monitoring system which may be used to check availability of online resources.
 
 It is a work in progress, but also a working code with decent test coverage. API might change in later versions as well as more features might be added.