fix: typo

src/pages/getting-started/testing.mdx

@@ -67,7 +67,7 @@ We will call them **ledger backends* throughout the rest of the section):
   * __Cardano private test network option__ (privnet for short) provides a more realistic environment.
   It is a cluster of three `cardano-node` instances
   that potentially could support all Cardano features,
-  including stacking and governance.
+  including staking and governance.
   The main downside of a privnet is that testing time is significantly bigger
   (minutes not seconds even for simple tests).
   So it's practically impossible to have a fresh network for every test case