diff --git a/llvm/docs/CommandGuide/llvm-lipo.rst b/llvm/docs/CommandGuide/llvm-lipo.rst
--- a/llvm/docs/CommandGuide/llvm-lipo.rst
+++ b/llvm/docs/CommandGuide/llvm-lipo.rst
@@ -27,6 +27,10 @@
   Take a single input file and verify the specified architectures are present in the file. 
   If so then exit with a status of 0 else exit with a status of 1.
 
+.. option:: -archs
+
+  Take a single input file and display the architectures present in the file.
+
 BUGS
 ----