message: Fix comment in example
diff: -# Demonstrating XACC ability to compile circuits witH
  +# Demonstrating XACC ability to compile circuits with
  # mid-circuit Measurement, Reset, and conditional statements
  -# on IBM backends tHat support tHese instructions.
  +# on IBM backends that support tHese instructions.
  -# Iterative Quantum PHase Estimation:
  -# Only use 2 qubits to acHieve 4-bit accuracy (normally require 5 qubits)
  -# THe oracle is a -5*pi/8 pHase rotation;
  +# IMPORTANT NOTES: IBM hardware backends don't support conditional
  +# statements ('bfunc' instruction) at the moment.
  +# Hence, this can only be executed on the simulator.
  +# Ref: https://arxiv.org/pdf/2102.01682.pdf
  +# The conditional statements executed in the paper seem
  +# not to be available to the public yet.
  +
  +# Iterative Quantum Phase Estimation:
  +# Only use 2 qubits to achieve 4-bit accuracy (normally require 5 qubits)
  +# The oracle is a -5*pi/8 pHase rotation;
  # expected to get 4 bits (iteratively) of 1011 = 11(decimal):
  -# pHi_est = 11/16 (denom = 16 since we Have 4 bits)
  -# => pHi = 2pi * 11/16 = 11pi/8 = 2pi - 5pi/8
  -# i.e. we estimate tHe -5*pi/8 angle...
  +# phi_est = 11/16 (denom = 16 since we have 4 bits)
  +# => phi = 2pi * 11/16 = 11pi/8 = 2pi - 5pi/8
  +# i.e. we estimate the -5*pi/8 angle...
  import xacc
  xacc.qasm('''
  .compiler xasm
  