Fix spelling issues (#20957)

Author: cratiu222

docs/architecture/PROCESS.md

@@ -2,7 +2,7 @@
 
 1. Copy the `adr-template.md` file. Use the following filename pattern: `adr-next_number-title.md`
 2. Create a draft Pull Request if you want to get an early feedback.
-3. Make sure the context and a solution is clear and well documented.
+3. Make sure the context and solution is clear and well documented.
 4. Add an entry to a list in the [README](./README.md) file.
 5. Create a Pull Request to propose a new ADR.
 

docs/architecture/adr-004-split-denomination-keys.md

@@ -74,7 +74,7 @@ This will result in the balances being indexed by the byte representation of
 
 `DelegateCoins()` and `UndelegateCoins()` will be altered to only load each individual
 account balance by denomination found in the (un)delegation amount. As a result,
-any mutations to the account balance by will made by denomination.
+any mutations to the account balance will made by denomination.
 
 `SubtractCoins()` and `AddCoins()` will be altered to read & write the balances
 directly instead of calling `GetCoins()` / `SetCoins()` (which no longer exist).

docs/architecture/adr-008-dCERT-group.md

@@ -113,7 +113,7 @@ tokens, then the tokens are no longer staked and unable to be slashed.
 
 Additionally in the case of an emergency situation of a colluding and malicious
 dCERT group, the community needs the capability to disband the entire dCERT
-group and likely fully slash them. This could be achieved though a special new
+group and likely fully slash them. This could be achieved through a special new
 proposal type (implemented as a general governance proposal) which would halt
 the functionality of the dCERT group until the proposal was concluded. This
 special proposal type would likely need to also have a fairly large wager which