diff --git a/admin-guide/mgmt-tools/sphinx.rst b/admin-guide/mgmt-tools/sphinx.rst
index 6811db6c..4e214f43 100644
--- a/admin-guide/mgmt-tools/sphinx.rst
+++ b/admin-guide/mgmt-tools/sphinx.rst
@@ -11,10 +11,16 @@ It can generate various formats, including HTML and PDF.
 Installing Sphinx
 -----------------
 
-On RHEL 7 it is enough to install the ``python-sphinx`` package::
+basically it is enough to install the ``python-sphinx`` package:
+
+On RHEL 7::
 
     yum install python-sphinx
 
+On RHEL8::
+
+    dnf install python3-sphinx
+
 
 Editing
 -------
diff --git a/admin-guide/troubleshooting/selinux.md b/admin-guide/troubleshooting/selinux.md
index 1f00974b..d60cb3ec 100644
--- a/admin-guide/troubleshooting/selinux.md
+++ b/admin-guide/troubleshooting/selinux.md
@@ -85,5 +85,6 @@ cd /tmp; checkmodule --mls -m --output my-application.mod $PATH_TO/my-applicatio
 
 References:
 - [SELinux Guide](https://docs.linuxfabrik.ch/base/security/selinux.html) (German)
+- [Short SELinux Manual](https://dokuwiki.dsteiner.ch/selinux) (English)
 - How to read SELinux logs: https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/using_selinux/troubleshooting-problems-related-to-selinux_using-selinux
 - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/using_selinux/troubleshooting-problems-related-to-selinux_using-selinux
diff --git a/rhel8/software.md b/rhel8/software.md
index 8577366f..920a26b1 100644
--- a/rhel8/software.md
+++ b/rhel8/software.md
@@ -69,6 +69,15 @@ base::pkg_group::java:
 
 Note that this tag can be combined with the `latest` and `absent` tag.
 
+### Install Module Stream
+
+RHEL 8 introduced the concept of [module streams](https://docs.pagure.org/modularity/).
+A specific stream can be selected with the `stream` tag:
+```
+base::pkg_group::nodejos:
+    - 'nodejs:stream=12'
+```
+
 ### Remove Packages
 
 To remove an already installed package, append the `:absent` tag to the package name in the package group: