qiskit.pulse.library.Square_fun.rst (#13007)

(cherry picked from commit 6f48240)

qiskit/pulse/library/symbolic_pulses.py

@@ -1773,12 +1773,13 @@ def Square(
     is the sign function with the convention :math:`\\text{sign}\\left(0\\right)=1`.
 
     Args:
-        duration: Pulse length in terms of the sampling period `dt`.
-        amp: The magnitude of the amplitude of the square wave. Wave range is [-`amp`,`amp`].
+        duration: Pulse length in terms of the sampling period ``dt``.
+        amp: The magnitude of the amplitude of the square wave. Wave range is
+            :math:`\\left[-\\texttt{amp},\\texttt{amp}\\right]`.
         phase: The phase of the square wave (note that this is not equivalent to the angle of
             the complex amplitude).
         freq: The frequency of the square wave, in terms of 1 over sampling period.
-            If not provided defaults to a single cycle (i.e :math:'\\frac{1}{\\text{duration}}').
+            If not provided defaults to a single cycle (i.e :math:`\\frac{1}{\\text{duration}}`).
             The frequency is limited to the range :math:`\\left(0,0.5\\right]` (the Nyquist frequency).
         angle: The angle in radians of the complex phase factor uniformly
             scaling the pulse. Default value 0.