Update README.md (#69)

README.md

@@ -13,7 +13,7 @@ MWC is an in-progress implementation of the MimbleWimble protocol. Many characte
   * Follows the Mimblewimble protocol, which provides hidden amounts and scaling advantages.
   * Cuckoo Cycle proof of work in two variants named Cuckaroo (ASIC-resistant) and Cuckatoo (ASIC-targeted).
   * Relatively fast block time: one minute.
-  * Fixed block reward over time with a decreasing dilution.
+  * Block rewards decrease at regular intervals, until the total supply of coins reaches the fixed limit of 20 000 000 MWC.
   * Transaction fees are based on the number of Outputs created/destroyed and total transaction size.
   * Smooth curve for difficulty adjustments.