Correct error in numpy.rst
diff --git a/docs/advanced/pycpp/numpy.rst b/docs/advanced/pycpp/numpy.rst
index fbcebc4..964b182 100644
--- a/docs/advanced/pycpp/numpy.rst
+++ b/docs/advanced/pycpp/numpy.rst
@@ -99,7 +99,7 @@
                 info.strides[rowMajor ? 1 : 0] / (py::ssize_t)sizeof(Scalar));
 
             auto map = Eigen::Map<Matrix, 0, Strides>(
-                static_cat<Scalar *>(info.ptr), info.shape[0], info.shape[1], strides);
+                static_cast<Scalar *>(info.ptr), info.shape[0], info.shape[1], strides);
 
             new (&m) Matrix(map);
         });