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
 -------