diff --git a/CHANGELOG.md b/CHANGELOG.md
index ce6e6a0ee..ccffc7b4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,10 +5,10 @@
 
 # News
 
-## v0.9.1 - dev
+## v0.9.1 - 2024-03-31
 
 - Implemented `iscss` function to identify whether a given code is known to be a CSS (Calderbank-Shor-Steane) code.
-- Implemented the classical Reed-Muller code
+- Added the classical Reed-Muller code in the ECC module.
 - Added the surface code to the ECC module.
  
 ## v0.9.0 - 2024-03-19
diff --git a/Project.toml b/Project.toml
index b2f1c59ff..2f2bade1e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "QuantumClifford"
 uuid = "0525e862-1e90-11e9-3e4d-1b39d7109de1"
 authors = ["Stefan Krastanov <stefan@krastanov.org>"]
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
diff --git a/ext/QuantumCliffordPyQDecodersExt/QuantumCliffordPyQDecodersExt.jl b/ext/QuantumCliffordPyQDecodersExt/QuantumCliffordPyQDecodersExt.jl
index 950d85cd0..ab81ca8b1 100644
--- a/ext/QuantumCliffordPyQDecodersExt/QuantumCliffordPyQDecodersExt.jl
+++ b/ext/QuantumCliffordPyQDecodersExt/QuantumCliffordPyQDecodersExt.jl
@@ -59,12 +59,11 @@ parity_checks(d::PyBP) = d.H
 function decode(d::PyBP, syndrome_sample)
     row_x = syndrome_sample[1:d.nx] # TODO These copies and indirections might be costly!
     row_z = syndrome_sample[d.nx+1:end]
-    guess_x = PythonCall.PyArray(d.pyx.decode(np.array(row_x)))
-    guess_z = PythonCall.PyArray(d.pyz.decode(np.array(row_z)))
-    vcat(guess_z, guess_x)
+    guess_z_errors = PythonCall.PyArray(d.pyx.decode(np.array(row_x)))
+    guess_x_errors = PythonCall.PyArray(d.pyz.decode(np.array(row_z)))
+    vcat(guess_x_errors, guess_z_errors)
 end
 
-
 struct PyMatchingDecoder <: AbstractSyndromeDecoder
     code
     H