diff --git a/docsite/rst/intro_installation.rst b/docsite/rst/intro_installation.rst
index 6dc91c32bb..0f13c561f7 100644
--- a/docsite/rst/intro_installation.rst
+++ b/docsite/rst/intro_installation.rst
@@ -147,7 +147,7 @@ other than /etc/ansible/hosts:
 
 .. note::
 
-    ANSIBLE_INVENTORY is available starting at 1.9 and subtitutes the deprecated ANSIBLE_HOSTS
+    ANSIBLE_INVENTORY is available starting at 1.9 and substitutes the deprecated ANSIBLE_HOSTS
 
 You can read more about the inventory file in later parts of the manual.