diff --git a/docs/CommandLine.rst b/docs/CommandLine.rst
index 263a025f696..9b77a989082 100644
--- a/docs/CommandLine.rst
+++ b/docs/CommandLine.rst
@@ -618,6 +618,8 @@ would yield the help output:
     -help             - display available options (-help-hidden for more)
     -o <filename>     - Specify output filename
 
+.. _grouping options into categories:
+
 Grouping options into categories
 --------------------------------
 
diff --git a/docs/ReleaseNotes.rst b/docs/ReleaseNotes.rst
index 3689af18093..cb60df73d93 100644
--- a/docs/ReleaseNotes.rst
+++ b/docs/ReleaseNotes.rst
@@ -73,6 +73,13 @@ Non-comprehensive list of changes in this release
 * MCJIT now supports exception handling. Support for it in the old jit will be
   removed in the 3.4 release.
 
+* Command line options can now be grouped into categories which are shown in
+  the output of ``-help``. See :ref:`grouping options into categories`.
+
+* The appearance of command line options in ``-help`` that are inherited by
+  linking with libraries that use the LLVM Command line support library can now
+  be modified at runtime. See :ref:`cl::getRegisteredOptions`.
+
 * ... next change ...
 
 .. NOTE