-Fixing and adding some comments.

src/jmclient/configure.py

@@ -400,6 +400,11 @@ def jm_single() -> AttributeDict:
 # where x > 1. It is a real number (so written as a decimal).
 bond_value_exponent = 1.3
 
+# Maximum probability for a single maker to be included in a transaction. A value smaller
+# than 1 for tx_max_expected_probability constrains the probability of abnormally large
+# makers to be included in a transaction, by capping the value of their bonds as required
+# to reach this probability target.
+
 tx_max_expected_probability = 1.0
 
 ##############################

src/jmclient/support.py

@@ -227,11 +227,12 @@ def fidelity_bond_weighted_order_choose(orders, n, nrem = None, large_makers_not
     choose orders based on fidelity bond for improved sybil resistance
 
     * with probability `bondless_makers_allowance`: will revert to previous default
-      order choose (random_under_max_order_choose)
+      order choose (random_under_max_order_choose) amongst bondless and bond makers
     * with probability `1 - bondless_makers_allowance`: if there are no bond offerings, revert
-      to previous default as above, or if tx_max_expected_probability is defined and the number
-      of bond offerings is smaller than n/tx_max_expected_probability. If not, choose
-      randomly from those, with weighting being the fidelity bond values.
+      to previous default amongst bondless makers, or if tx_max_expected_probability is defined and
+      is sufficiently small to constrain the bond values of all remaining bond makers. If not, choose
+      randomly from bond makers, with weighting being the fidelity bond values, with possible some of
+      these weights capped if tx_max_expected_probability is defined and is smaller than 1.
     """
 
     if random.random() < get_bondless_makers_allowance():