diff --git a/zcash_client_backend/CHANGELOG.md b/zcash_client_backend/CHANGELOG.md
index 435ce781d..b2afb2d8f 100644
--- a/zcash_client_backend/CHANGELOG.md
+++ b/zcash_client_backend/CHANGELOG.md
@@ -12,7 +12,7 @@ and this library adheres to Rust's notion of
   - `AccountSource::key_derivation`
   - `error::PcztError`
   - `wallet::ExtractErrT`
-  - `wallet::create_proposed_transaction_pczt`
+  - `wallet::create_pczt_from_proposal`
   - `wallet::extract_and_store_transaction_from_pczt`
 
 ### Changed
diff --git a/zcash_client_backend/Cargo.toml b/zcash_client_backend/Cargo.toml
index 30e4fe1c1..ceb7defd4 100644
--- a/zcash_client_backend/Cargo.toml
+++ b/zcash_client_backend/Cargo.toml
@@ -172,7 +172,7 @@ transparent-inputs = [
 ## Enables receiving and spending Orchard funds.
 orchard = ["dep:orchard", "dep:pasta_curves", "zcash_keys/orchard"]
 
-## Enables creating partially-signed transactions for use in hardware wallet and multisig scenarios.
+## Enables creating partially-constructed transactions for use in hardware wallet and multisig scenarios.
 pczt = [
   "orchard",
   "transparent-inputs",
diff --git a/zcash_client_backend/src/data_api/error.rs b/zcash_client_backend/src/data_api/error.rs
index 3ba536c86..e5a26a9a4 100644
--- a/zcash_client_backend/src/data_api/error.rs
+++ b/zcash_client_backend/src/data_api/error.rs
@@ -86,8 +86,8 @@ pub enum Error<DataSourceError, CommitmentTreeError, SelectionError, FeeError, C
     /// Attempted to create a spend to an unsupported Unified Address receiver
     NoSupportedReceivers(Box<UnifiedAddress>),
 
-    /// A proposed transaction cannot be built because it requires spending an input of a type for
-    /// which a key that is required to construct the transaciton is not available.
+    /// A proposed transaction cannot be built because it requires spending an input of
+    /// a type for which a key required to construct the transaction is not available.
     KeyNotAvailable(PoolType),
 
     /// A note being spent does not correspond to either the internal or external
diff --git a/zcash_client_backend/src/data_api/testing.rs b/zcash_client_backend/src/data_api/testing.rs
index 8643098ce..4eb469994 100644
--- a/zcash_client_backend/src/data_api/testing.rs
+++ b/zcash_client_backend/src/data_api/testing.rs
@@ -1092,12 +1092,12 @@ where
         )
     }
 
-    /// Invokes [`create_proposed_transaction_pczt`] with the given arguments.
+    /// Invokes [`create_pczt_from_proposal`] with the given arguments.
     ///
-    /// [`create_proposed_transaction_pczt`]: super::wallet::create_proposed_transaction_pczt
+    /// [`create_pczt_from_proposal`]: super::wallet::create_pczt_from_proposal
     #[cfg(feature = "pczt")]
     #[allow(clippy::type_complexity)]
-    pub fn create_proposed_transaction_pczt<InputsErrT, FeeRuleT, ChangeErrT>(
+    pub fn create_pczt_from_proposal<InputsErrT, FeeRuleT, ChangeErrT>(
         &mut self,
         spend_from_account: <DbT as InputSource>::AccountId,
         ovk_policy: OvkPolicy,
@@ -1110,11 +1110,11 @@ where
         <DbT as WalletRead>::AccountId: serde::Serialize,
         FeeRuleT: FeeRule,
     {
-        use super::wallet::create_proposed_transaction_pczt;
+        use super::wallet::create_pczt_from_proposal;
 
         let network = self.network().clone();
 
-        create_proposed_transaction_pczt(
+        create_pczt_from_proposal(
             self.wallet_mut(),
             &network,
             spend_from_account,
diff --git a/zcash_client_backend/src/data_api/testing/pool.rs b/zcash_client_backend/src/data_api/testing/pool.rs
index a9f055d1c..0cacac946 100644
--- a/zcash_client_backend/src/data_api/testing/pool.rs
+++ b/zcash_client_backend/src/data_api/testing/pool.rs
@@ -3111,8 +3111,10 @@ pub fn pczt_single_step<P0: ShieldedPoolTester, P1: ShieldedPoolTester, DSF>(
         .with_block_cache(cache)
         .with_initial_chain_state(|_, network| {
             // Initialize the chain state to after ZIP 212 became enforced.
-            let birthday_height =
-                network.activation_height(NetworkUpgrade::Nu5).unwrap() + ZIP212_GRACE_PERIOD;
+            let birthday_height = std::cmp::max(
+                network.activation_height(NetworkUpgrade::Nu5).unwrap(),
+                network.activation_height(NetworkUpgrade::Canopy).unwrap() + ZIP212_GRACE_PERIOD,
+            );
 
             InitialChainState {
                 chain_state: ChainState::new(
@@ -3168,7 +3170,7 @@ pub fn pczt_single_step<P0: ShieldedPoolTester, P1: ShieldedPoolTester, DSF>(
     let _min_target_height = proposal0.min_target_height();
     assert_eq!(proposal0.steps().len(), 1);
 
-    let create_proposed_result = st.create_proposed_transaction_pczt::<Infallible, _, Infallible>(
+    let create_proposed_result = st.create_pczt_from_proposal::<Infallible, _, Infallible>(
         account.id(),
         OvkPolicy::Sender,
         &proposal0,
diff --git a/zcash_client_backend/src/data_api/wallet.rs b/zcash_client_backend/src/data_api/wallet.rs
index fff664745..8d19e3189 100644
--- a/zcash_client_backend/src/data_api/wallet.rs
+++ b/zcash_client_backend/src/data_api/wallet.rs
@@ -1329,7 +1329,7 @@ where
 #[allow(clippy::too_many_arguments)]
 #[allow(clippy::type_complexity)]
 #[cfg(feature = "pczt")]
-pub fn create_proposed_transaction_pczt<DbT, ParamsT, InputsErrT, FeeRuleT, ChangeErrT, N>(
+pub fn create_pczt_from_proposal<DbT, ParamsT, InputsErrT, FeeRuleT, ChangeErrT, N>(
     wallet_db: &mut DbT,
     params: &ParamsT,
     account_id: <DbT as WalletRead>::AccountId,
@@ -1592,7 +1592,7 @@ where
 
 /// Finalizes the given PCZT, and persists the transaction to the wallet database.
 ///
-/// The PCZT should have been created via [`create_proposed_transaction_pczt`], which adds
+/// The PCZT should have been created via [`create_pczt_from_proposal`], which adds
 /// metadata necessary for the wallet backend.
 ///
 /// Returns the transaction ID for the resulting transaction.