docs: fix grammar typos in client-initiated-sequence, components-roles, future-directions

docs/ack-pay/client-initiated-sequence.mdx

@@ -16,7 +16,7 @@ This sequence is employed when a Client agent needs to pay based on a known obli
    - Details of the payment method the Client will use for funding.
    - Necessary reference information (e.g., invoice number, order ID).
    - Authentication credentials for the client agent (potentially leveraging ACK-ID).
-4. **Approvals and HITL:** The Client and Payment Service may optionally exchange further details or Human-in-the-Loop approvals as needed (e.g., specific pay-in instructions, risk checks, or or other dynamic interactions).
+4. **Approvals and HITL:** The Client and Payment Service may optionally exchange further details or Human-in-the-Loop approvals as needed (e.g., specific pay-in instructions, risk checks, or other dynamic interactions).
 5. **Payment Execution:** The Client authorizes the Payment Service to execute the payment according to the selected option. The Payment Service handles the interaction with the underlying Settlement Network, including any necessary conversions or compliance checks.
 6. **Receipt Issuance:** Upon successful settlement, the Payment Service (or its designated Receipt Service) issues an ACK Receipt (a Verified Credential) back to the initiating Client Agent. Optionally, the original requesting source or the final recipient may also be notified via the optional `serviceCallback` parameter if provided during initiation.
 

docs/ack-pay/components-roles.mdx

@@ -29,7 +29,7 @@ These roles define the actors within the ACK-Pay ecosystem that orchestrate paym
 
 ## Component Interactions with a Payment Service
 
-The following component activity diagram illustrates a sophisticated flow involved a Payment Service.
+The following component activity diagram illustrates a sophisticated flow involving a Payment Service.
 
 !["Components and Roles Diagram"](/images/componentsandroles.png)
 

docs/overview/future-directions.mdx

@@ -11,7 +11,7 @@ We need base standards to exist, and believe the future should be built in open
 
 ## The Beginning of Agent Commerce
 
-By defining patterns and protocols for verifiable identity and payments, ACK begins to addresses critical gaps left by traditional financial systems and offers a blueprint for developers and institutions building for the agent economy. But this is only a beginning.
+By defining patterns and protocols for verifiable identity and payments, ACK begins to address critical gaps left by traditional financial systems and offers a blueprint for developers and institutions building for the agent economy. But this is only a beginning.
 
 We don't yet have all the shared basic standards to unlock possibilities such as: