From f904bbb47c3f49e049dfcc73883ccb25eb251e97 Mon Sep 17 00:00:00 2001
From: Luciano Bello <luciano.bello@ibm.com>
Date: Tue, 28 Apr 2020 00:10:33 -0400
Subject: [PATCH] typo in RY (#4294)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
---
 qiskit/extensions/standard/ry.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qiskit/extensions/standard/ry.py b/qiskit/extensions/standard/ry.py
index aba22e489e9c..cc751827be26 100644
--- a/qiskit/extensions/standard/ry.py
+++ b/qiskit/extensions/standard/ry.py
@@ -42,7 +42,7 @@ class RYGate(Gate):
 
         \newcommand{\th}{\frac{\theta}{2}}
 
-        RX(\theta) = exp(-i \th Y) =
+        RY(\theta) = exp(-i \th Y) =
             \begin{pmatrix}
                 \cos{\th} & -\sin{\th} \\
                 \sin{\th} & \cos{\th}