diff --git a/docs/beginners-guide.rst b/docs/beginners-guide.rst
index 0813a10..a77acfe 100644
--- a/docs/beginners-guide.rst
+++ b/docs/beginners-guide.rst
@@ -118,18 +118,18 @@
 
        $ dnf list --installed openssl-devel
 
-#. pkgconf that replaces pkg-config
-
-   ::
-
-       $ dnf list --installed pkgconf*
-
 #. Boost libraries version 1.71.0 or later
 
    ::
 
        $ dnf list --installed boost-devel
 
+#. pkgconf
+
+   ::
+
+       $ dnf list --installed pkgconf
+
 #. git
 
    ::
@@ -159,7 +159,7 @@
 
    ::
 
-       $ pip install sphinx sphinxcontrib-doxylink
+       $ python3 -m pip install -r docs/requirements.txt
 
 2.2 Downloading and installing ndn-cxx
 --------------------------------------