diff --git a/docs/installation.rst b/docs/installation.rst
index efdb833e8..532bda297 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -339,7 +339,7 @@ Prerequisites for **Ubuntu 16.04 LTS - 20.04 LTS** are installed with::
 
 Then see ``depends/install_raqm.sh`` to install libraqm.
 
-Prerequisites are installed on recent **RedHat**, **Centos** or **Fedora** with::
+Prerequisites are installed on recent **Red Hat**, **CentOS** or **Fedora** with::
 
     sudo dnf install libtiff-devel libjpeg-devel openjpeg2-devel zlib-devel \
         freetype-devel lcms2-devel libwebp-devel tcl-devel tk-devel \