diff --git a/README.md b/README.md
index f800d46..e875e0c 100644
--- a/README.md
+++ b/README.md
@@ -632,7 +632,7 @@ A `SessionParams` tuple holds the common parameters of a DKG session.
 - `hostpubkeys` - Ordered list of the host public keys of all participants.
 - `t` - The participation threshold `t`.
   This is the number of participants that will be required to sign.
-  It must hold that `1 <= t <= len(hostpubkeys)` and `t <= 2*32 - 1`.
+  It must hold that `1 <= t <= len(hostpubkeys)` and `t <= 2^32 - 1`.
 
   Participants must ensure that they have obtained authentic host
   public keys of all the other participants in the session to make
@@ -690,7 +690,7 @@ have obtained authentic public host keys.
   for some `i`, which is indicated as part of the exception.
 - `DuplicateHostpubkeyError` - If `hostpubkeys` contains duplicates.
 - `ThresholdError` - If `1 <= t <= len(hostpubkeys)` does not hold.
-- `OverflowError` - If `t >= 2*32` (so `t` cannot be serialized in 4 bytes).
+- `OverflowError` - If `t >= 2^32` (so `t` cannot be serialized in 4 bytes).
 
 #### DKGOutput Tuples
 
@@ -742,7 +742,7 @@ Perform a participant's first step of a ChillDKG session.
   for some `i`, which is indicated as part of the exception.
 - `DuplicateHostpubkeyError` - If `hostpubkeys` contains duplicates.
 - `ThresholdError` - If `1 <= t <= len(hostpubkeys)` does not hold.
-- `OverflowError` - If `t >= 2*32` (so `t` cannot be serialized in 4 bytes).
+- `OverflowError` - If `t >= 2^32` (so `t` cannot be serialized in 4 bytes).
 
 #### participant\_step2
 
@@ -855,7 +855,7 @@ Perform the coordinator's first step of a ChillDKG session.
   for some `i`, which is indicated as part of the exception.
 - `DuplicateHostpubkeyError` - If `hostpubkeys` contains duplicates.
 - `ThresholdError` - If `1 <= t <= len(hostpubkeys)` does not hold.
-- `OverflowError` - If `t >= 2*32` (so `t` cannot be serialized in 4 bytes).
+- `OverflowError` - If `t >= 2^32` (so `t` cannot be serialized in 4 bytes).
 
 #### coordinator\_finalize
 
diff --git a/python/chilldkg_ref/chilldkg.py b/python/chilldkg_ref/chilldkg.py
index 9cd59fb..4e64ba5 100644
--- a/python/chilldkg_ref/chilldkg.py
+++ b/python/chilldkg_ref/chilldkg.py
@@ -177,7 +177,7 @@ class SessionParams(NamedTuple):
         hostpubkeys: Ordered list of the host public keys of all participants.
         t: The participation threshold `t`.
             This is the number of participants that will be required to sign.
-            It must hold that `1 <= t <= len(hostpubkeys)` and `t <= 2**32 - 1`.
+            It must hold that `1 <= t <= len(hostpubkeys)` and `t <= 2^32 - 1`.
 
     Participants must ensure that they have obtained authentic host
     public keys of all the other participants in the session to make
@@ -250,7 +250,7 @@ def params_id(params: SessionParams) -> bytes:
             for some `i`, which is indicated as part of the exception.
         DuplicateHostpubkeyError: If `hostpubkeys` contains duplicates.
         ThresholdError: If `1 <= t <= len(hostpubkeys)` does not hold.
-        OverflowError: If `t >= 2**32` (so `t` cannot be serialized in 4 bytes).
+        OverflowError: If `t >= 2^32` (so `t` cannot be serialized in 4 bytes).
     """
     params_validate(params)
     (hostpubkeys, t) = params
@@ -399,7 +399,7 @@ def participant_step1(
             for some `i`, which is indicated as part of the exception.
         DuplicateHostpubkeyError: If `hostpubkeys` contains duplicates.
         ThresholdError: If `1 <= t <= len(hostpubkeys)` does not hold.
-        OverflowError: If `t >= 2**32` (so `t` cannot be serialized in 4 bytes).
+        OverflowError: If `t >= 2^32` (so `t` cannot be serialized in 4 bytes).
     """
     hostseckey, hostpubkey = hostkeypair(seed)  # SeedError if len(seed) != 32
 
@@ -536,7 +536,7 @@ def coordinator_step1(
             for some `i`, which is indicated as part of the exception.
         DuplicateHostpubkeyError: If `hostpubkeys` contains duplicates.
         ThresholdError: If `1 <= t <= len(hostpubkeys)` does not hold.
-        OverflowError: If `t >= 2**32` (so `t` cannot be serialized in 4 bytes).
+        OverflowError: If `t >= 2^32` (so `t` cannot be serialized in 4 bytes).
     """
     params_validate(params)
     (hostpubkeys, t) = params