diff --git a/llvm/docs/CommandGuide/llvm-objcopy.rst b/llvm/docs/CommandGuide/llvm-objcopy.rst
index 35e4d42..ccdcf13 100644
--- a/llvm/docs/CommandGuide/llvm-objcopy.rst
+++ b/llvm/docs/CommandGuide/llvm-objcopy.rst
@@ -82,6 +82,11 @@
  Remove the specified section from the output. Can be specified multiple times
  to remove multiple sections simultaneously.
 
+.. option:: --set-section-alignment <section>=<align>
+
+ Set the alignment of section ``<section>`` to `<align>``. Can be specified
+ multiple times to update multiple sections.
+
 .. option:: --strip-all-gnu
 
  Remove all symbols, debug sections and relocations from the output. This option