diff --git a/packages/common/src/activity-options.ts b/packages/common/src/activity-options.ts
index 3c02f05ae..b9c2cff77 100644
--- a/packages/common/src/activity-options.ts
+++ b/packages/common/src/activity-options.ts
@@ -48,8 +48,8 @@ export interface ActivityOptions {
 
   /**
    * Maximum time of a single Activity execution attempt. Note that the Temporal Server doesn't detect Worker process
-   * failures directly. It relies on this timeout to detect that an Activity that didn't complete on time. So this
-   * timeout should be as short as the longest possible execution of the Activity body. Potentially long running
+   * failures directly: instead, it relies on this timeout to detect that an Activity didn't complete on time. Therefore, this
+   * timeout should be as short as the longest possible execution of the Activity body. Potentially long-running
    * Activities must specify {@link heartbeatTimeout} and call {@link activity.Context.heartbeat} periodically for
    * timely failure detection.
    *
@@ -61,7 +61,7 @@ export interface ActivityOptions {
   startToCloseTimeout?: Duration;
 
   /**
-   * Time that the Activity Task can stay in the Task Queue before it is picked up by a Worker. Do not specify this timeout unless using host specific Task Queues for Activity Tasks are being used for routing.
+   * Time that the Activity Task can stay in the Task Queue before it is picked up by a Worker. Do not specify this timeout unless using host-specific Task Queues for Activity Tasks are being used for routing.
    * `scheduleToStartTimeout` is always non-retryable. Retrying after this timeout doesn't make sense as it would just put the Activity Task back into the same Task Queue.
    *
    * @default `scheduleToCloseTimeout` or unlimited
@@ -70,7 +70,7 @@ export interface ActivityOptions {
   scheduleToStartTimeout?: Duration;
 
   /**
-   * Total time that a workflow is willing to wait for Activity to complete.
+   * Total time that a workflow is willing to wait for the Activity to complete.
    * `scheduleToCloseTimeout` limits the total time of an Activity's execution including retries (use {@link startToCloseTimeout} to limit the time of a single attempt).
    *
    * Either this option or {@link startToCloseTimeout} is required.