Fix typo

Signed-off-by: Jacinta Ferrant <jacinta@stackslabs.com>

Author: jacinta-stacks

stackslib/src/chainstate/nakamoto/coordinator/mod.rs

@@ -363,7 +363,7 @@ pub fn load_nakamoto_reward_set<U: RewardSetProvider>(
     provider: &U,
 ) -> Result<Option<(RewardCycleInfo, StacksHeaderInfo)>, Error> {
     let cycle_start_height = burnchain.nakamoto_first_block_of_cycle(reward_cycle);
-    // We need the prepare pahse start of the current reward cycle which is calculated in the PRIOR reward cycle
+    // We need the prepare phase start of the current reward cycle which is calculated in the PRIOR reward cycle
     // hence subtracting one. If the prepare phase started in pre-Nakamoto, it should be using Epoch 2.5 reward
     // set calculation rules.
     let prior_reward_cycle = reward_cycle.saturating_sub(1);