diff --git a/modules/ROOT/pages/Packaging_Tutorial_GNU_Hello.adoc b/modules/ROOT/pages/Packaging_Tutorial_GNU_Hello.adoc
index fae0a8a..24fe0f8 100644
--- a/modules/ROOT/pages/Packaging_Tutorial_GNU_Hello.adoc
+++ b/modules/ROOT/pages/Packaging_Tutorial_GNU_Hello.adoc
@@ -59,7 +59,7 @@ The fields in our `.spec` file need slight editing.
 Please follow https://docs.fedoraproject.org/en-US/quick-docs/creating-rpm-packages/[Creating RPM Packages] for these fields.
 In our case, the file might start as follows:
 
-[source, RPMSpec]
+[source, rpm-spec]
 ----
 Name:     hello
 Version:  2.10
@@ -164,6 +164,7 @@ so we need to add a row for `+gcc+`.
 GNU Hello also uses `+make+`, so a row should be added for it, too.
 Add these lines after `Source0`:
 
+[source, rpm-spec]
 ----
 BuildRequires:   gcc
 BuildRequires:   make
@@ -198,6 +199,7 @@ https://docs.fedoraproject.org/en-US/packaging-guidelines/RPMMacros/#_macros_for
 The macros should always be used when available,
 so the executable is listed in `+%files+` as follows:
 
+[source, rpm-spec]
 ----
 %files
 %{_bindir}/hello
@@ -214,6 +216,7 @@ The Packaging Guidelines have dedicated section for
 https://docs.fedoraproject.org/en-US/packaging-guidelines/#_manpages[Manpages].
 Following its instructions, manpages are list as follows:
 
+[source, rpm-spec]
 ----
 %{_mandir}/man1/hello.1.*
 ----
@@ -230,6 +233,7 @@ Texinfo pages are handled much in the same way as man pages.
 The directory is defined by the default macro `+{_infodir}+`,
 so the Texinfo manual can be added as follows:
 
+[source, rpm-spec]
 ----
 %{_infodir}/hello.info.*
 ----
@@ -242,6 +246,7 @@ This is done by calling  `+rm+` in `+%install+`.
 However, note that files are installed in the _buildroot_ directory,
 and thus the removal is done like this:
 
+[source, rpm-spec]
 ----
 %install
 rm %{buildroot}/%{_infodir}/dir
@@ -276,6 +281,7 @@ and perhaps not copied to the buildroot during installation at all.
 Regardless, it can be installed to the standard license directory
 by using a relative path:
 
+[source, rpm-spec]
 ----
 %license COPYING
 ----
@@ -289,6 +295,7 @@ Similarly to `+%license+`,
 relative paths can be used to include files directly from the source tarball
 rather than from the buildroot:
 
+[source, rpm-spec]
 ----
 %doc AUTHORS ChangeLog NEWS README THANKS TODO
 ----
@@ -305,6 +312,7 @@ to specfile `+%check%+` section,
 which comes after `+%install+` in order.
 In GNU Hello's case:
 
+[source, rpm-spec]
 ----
 %check
 make check
@@ -367,7 +375,7 @@ iconv --from-code=ISO-8859-1 --to-code=UTF-8 --output=THANKS THANKS.old
 
 Here is the initial version of `hello.spec`:
 
-[source,RPMSpec]
+[source, rpm-spec]
 ----
 Name:           hello
 Version:        2.10