diff --git a/README.md b/README.md
index b2129c1..efabbff 100644
--- a/README.md
+++ b/README.md
@@ -74,8 +74,11 @@
 - Everything is contained in just a few header files; there is no need to link
   against any additional libraries.
 
-- Binaries are generally smaller by a factor of 2 or more compared to
-  equivalent bindings generated by Boost.Python.
+- Binaries are generally smaller by a factor of at least 2 compared to
+  equivalent bindings generated by Boost.Python. A recent pybind11 conversion
+  of PyRosetta, an enourmous Boot.Python binding project,
+  [reported](http://graylab.jhu.edu/RosettaCon2016/PyRosetta-4.pdf) a binary
+  size reduction of **5.4x** and compile time reduction by **5.8x**.
 
 - When supported by the compiler, two new C++14 features (relaxed constexpr and
   return value deduction) are used to precompute function signatures at compile
@@ -107,7 +110,7 @@
 Ben Pritchard,
 Jason Rhinelander,
 Boris Schäling,
-Pim Schellart,
+Pim Schellart, and
 Ivan Smirnov.
 
 ### License
diff --git a/docs/intro.rst b/docs/intro.rst
index af35db9..8ad8acb 100644
--- a/docs/intro.rst
+++ b/docs/intro.rst
@@ -68,8 +68,12 @@
 - Everything is contained in just a few header files; there is no need to link
   against any additional libraries.
 
-- Binaries are generally smaller by a factor of 2 or more compared to
-  equivalent bindings generated by Boost.Python.
+- Binaries are generally smaller by a factor of at least 2 compared to
+  equivalent bindings generated by Boost.Python. A recent pybind11 conversion
+  of `PyRosetta`_, an enourmous Boot.Python binding project, reported a binary
+  size reduction of **5.4x** and compile time reduction by **5.8x**.
+
+.. _PyRosetta: http://graylab.jhu.edu/RosettaCon2016/PyRosetta-4.pdf
 
 - When supported by the compiler, two new C++14 features (relaxed constexpr and
   return value deduction) are used to precompute function signatures at compile