From 57f3c2f252e863a77be8b0454f4be14a36c897db Mon Sep 17 00:00:00 2001
From: Grant W Schneider <grant@upstart.com>
Date: Tue, 21 Aug 2018 15:32:38 -0400
Subject: [PATCH] Remove errant $ (#3618)

---
 doc/tutorials/model.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/tutorials/model.rst b/doc/tutorials/model.rst
index 44a87283a..0694efebf 100644
--- a/doc/tutorials/model.rst
+++ b/doc/tutorials/model.rst
@@ -223,7 +223,7 @@ In this equation, :math:`w_j` are independent with respect to each other, the fo
   w_j^\ast &= -\frac{G_j}{H_j+\lambda}\\
   \text{obj}^\ast &= -\frac{1}{2} \sum_{j=1}^T \frac{G_j^2}{H_j+\lambda} + \gamma T
 
-The last equation measures *how good* a tree structure :math:`$q(x)` is.
+The last equation measures *how good* a tree structure :math:`q(x)` is.
 
 .. image:: https://raw.githubusercontent.com/dmlc/web-data/master/xgboost/model/struct_score.png
   :width: 100%