diff --git a/docs/README.rst b/docs/README.rst
index 4eec12cb8..f56d4f41c 100644
--- a/docs/README.rst
+++ b/docs/README.rst
@@ -11,9 +11,8 @@ which will create a container called `bifrost_docs`, then
 run it, and have it complete the docs-building process for you,
 outputting the entire html documentation inside `docs/html`.
 
-If you are not using Docker, ensure that you have "sphinx" and 
-"doxygen" installed. In the parent directory run "doxygen Doxyfile."
+If you are not using Docker, ensure that you have "sphinx", "breathe",
+and "doxygen" installed. In the parent directory run "doxygen Doxyfile."
 Return to the docs directory, where you can run, for example, 
 "make singlehtml" where "singlehtml" can be replaced 
 by the format you wish the docs to be in.
-