diff --git a/docs/src/cdist-install.rst b/docs/src/cdist-install.rst
index 880b9f8e..0b65cad6 100644
--- a/docs/src/cdist-install.rst
+++ b/docs/src/cdist-install.rst
@@ -9,7 +9,7 @@ Source Host
 
 This is the machine from which you will configure target hosts.
 
- * /bin/sh: A posix like shell (for instance bash, dash, zsh)
+ * /bin/sh: A POSIX like shell (for instance bash, dash, zsh)
  * Python >= 3.2
  * SSH client
  * sphinx (for building html docs and/or the man pages)
@@ -17,7 +17,7 @@ This is the machine from which you will configure target hosts.
 Target Hosts
 ~~~~~~~~~~~~
 
- * /bin/sh: A posix like shell (for instance bash, dash, zsh)
+ * /bin/sh: A POSIX like shell (for instance bash, dash, zsh)
  * SSH server
 
 Install cdist