Register as a DRep: fix misspelled name (#1321)

* Update register-drep.md

Small typo ;) But thanks for the credit!

* Update register-drep.md

forgot

docs/get-started/cardano-cli/governance/register-drep.md

@@ -477,7 +477,7 @@ cardano-cli conway query drep-state \
 
 ## Register a Plutus script based DRep 
 
-Writing the Plutus script is out of the scope of this tutorial. As an example of what can be done, Tomas Vellekop (@perturbing) wrote this [Plutus Script DRep
+Writing the Plutus script is out of the scope of this tutorial. As an example of what can be done, Thomas Vellekoop (@perturbing) wrote this [Plutus Script DRep
 that can only vote 'YES'](https://github.com/perturbing/always-yes-drep) 
 
 Once you have compiled the Plutus script, the process to register is very similar to Simple scripts.
@@ -573,4 +573,4 @@ cardano-cli transaction submit --tx-file tx.signed
 
 
   </TabItem>
-</Tabs>
+</Tabs>