diff --git a/src/table/boot.rs b/src/table/boot.rs
index 26ddd4268..5636a3a7a 100644
--- a/src/table/boot.rs
+++ b/src/table/boot.rs
@@ -18,6 +18,12 @@ use core::{ptr, slice};
 
 /// Contains pointers to all of the boot services.
 ///
+/// # Accessing `BootServices`
+///
+/// A reference to `BootServices` can only be accessed by calling [`boot_services`].
+///
+/// [`boot_services`]: crate::table::SystemTable::boot_services
+///
 /// # Accessing protocols
 ///
 /// Protocols can be opened using several methods of `BootServices`. Most
diff --git a/src/table/runtime.rs b/src/table/runtime.rs
index 08597e543..9272033cd 100644
--- a/src/table/runtime.rs
+++ b/src/table/runtime.rs
@@ -18,6 +18,12 @@ use core::{fmt, ptr};
 ///
 /// This table, and the function pointers it contains are valid
 /// even after the UEFI OS loader and OS have taken control of the platform.
+///
+/// # Accessing `RuntimeServices`
+///
+/// A reference to `RuntimeServices` can only be accessed by calling [`runtime_services`].
+///
+/// [`runtime_services`]: crate::table::SystemTable::runtime_services
 #[repr(C)]
 pub struct RuntimeServices {
     header: Header,