diff --git a/documentation/content/en/books/handbook/boot/_index.adoc b/documentation/content/en/books/handbook/boot/_index.adoc
--- a/documentation/content/en/books/handbook/boot/_index.adoc
+++ b/documentation/content/en/books/handbook/boot/_index.adoc
@@ -103,7 +103,13 @@
 
 The code within the MBR is typically referred to as a _boot manager_, especially when it interacts with the user.
 The boot manager usually has more code in the first track of the disk or within the file system.
-Examples of boot managers include the standard FreeBSD boot manager boot0, also called Boot Easy, and Grub, which is used by many Linux(R) distributions.
+Examples of boot managers include the standard FreeBSD boot manager boot0, also called Boot Easy, and GNU GRUB, which is used by many Linux(R) distributions.
+
+[NOTE]
+====
+// There is extref:{faq}[a frequently asked question] about GRUB. Beyond the answer there, //
+Users of GRUB should refer to https://www.gnu.org/software/grub/grub-documentation.html[GNU-provided documentation].
+====
 
 If only one operating system is installed, the MBR searches for the first bootable (active) slice on the disk, and then runs the code on that slice to load the remainder of the operating system.
 When multiple operating systems are present, a different boot manager can be installed to display a list of operating systems so the user can select one to boot.
@@ -268,7 +274,7 @@
 |===
 
 Here are some practical examples of loader usage.
-To boot the usual kernel in single-user mode :
+To boot the usual kernel in single-user mode:
 
 [source,shell]
 ....