diff --git a/extra/math/matrices/simd/authors.txt b/extra/math/matrices/simd/authors.txt
new file mode 100644
index 0000000000..f13c9c1e77
--- /dev/null
+++ b/extra/math/matrices/simd/authors.txt
@@ -0,0 +1 @@
+Joe Groff
diff --git a/extra/math/matrices/simd/summary.txt b/extra/math/matrices/simd/summary.txt
new file mode 100644
index 0000000000..23cc03d5fe
--- /dev/null
+++ b/extra/math/matrices/simd/summary.txt
@@ -0,0 +1 @@
+SIMD accelerated 4x4 matrix math