diff --git a/mps/manual/source/topic/root.rst b/mps/manual/source/topic/root.rst
index e120aa7e925..71258c3f64f 100644
--- a/mps/manual/source/topic/root.rst
+++ b/mps/manual/source/topic/root.rst
@@ -148,12 +148,13 @@ Every thread's :term:`registers` and :term:`control stack` potentially
 contain references to allocated objects, so should be registered as a
 root by calling :c:func:`mps_root_create_stack`.
 
-The MPS's stack scanner needs to know how to find the bottom of the
-part of the stack to scan. The bottom of the relevant part of stack
-can be found by taking the address of a local variable in the function
-that calls the main work function of your thread. You should take care
-to ensure that the work function is not inlined so that the address is
-definitely in the stack frame below any potential roots.
+The MPS's stack scanner needs to know how to find the :term:`cold end`
+of the part of the stack to scan. The :term:`cold end` of the relevant
+part of stack can be found by taking the address of a local variable
+in the function that calls the main work function of your thread. You
+should take care to ensure that the work function is not inlined so
+that the address is definitely in the stack frame below any potential
+roots.
 
 .. index::
    single: Scheme; thread root