diff --git a/docs/install.rst b/docs/install.rst
index fd13aa83..7086fc5d 100644
--- a/docs/install.rst
+++ b/docs/install.rst
@@ -105,11 +105,11 @@ openSUSE
 
 1. Enable the ``devel:languages:python`` repository of the Open Build Service::
 
-    $ zypper addrepo --refresh obs://devel:languages:python devel_languages_python
+    $ sudo zypper addrepo --refresh obs://devel:languages:python devel_languages_python
 
 2. Install the package::
 
-    $ zypper --repo devel_languages_python python3-semver
+    $ sudo zypper install --repo devel_languages_python python3-semver
 
 
 Ubuntu
@@ -124,4 +124,4 @@ Ubuntu
     $ sudo apt-get install python3-semver
 
 
-.. _semantic versioning: http://semver.org/
\ No newline at end of file
+.. _semantic versioning: http://semver.org/