nit(anomaly detection): edit copy to fit spec (#76578)

<img width="1016" alt="Screenshot 2024-08-26 at 3 41 20 PM"
src="https://github.com/user-attachments/assets/58c5c1a3-d2a0-493f-a982-8b125621488f">

static/app/views/alerts/rules/metric/ruleForm.spec.tsx

@@ -373,16 +373,16 @@ describe('Incident Rules Form', () => {
  },
  });
  await userEvent.click(
- screen.getByText('Anomaly: when evaluated values are outside of expected bounds')
+ screen.getByText('Anomaly: whenever values are outside of expected bounds')
  );
 
  expect(
  await screen.findByLabelText(
- 'Anomaly: when evaluated values are outside of expected bounds'
+ 'Anomaly: whenever values are outside of expected bounds'
  )
  ).toBeChecked();
  expect(
- await screen.findByRole('textbox', {name: 'Sensitivity'})
+ await screen.findByRole('textbox', {name: 'Level of responsiveness'})
  ).toBeInTheDocument();
  await userEvent.click(screen.getByLabelText('Save Rule'));
 
@@ -528,7 +528,7 @@ describe('Incident Rules Form', () => {
  },
  });
  const anomaly_option = await screen.findByText(
- 'Anomaly: when evaluated values are outside of expected bounds'
+ 'Anomaly: whenever values are outside of expected bounds'
  );
  expect(anomaly_option).toBeInTheDocument();
  });

static/app/views/alerts/rules/metric/thresholdTypeForm.tsx

@@ -81,7 +81,7 @@ function ThresholdTypeForm({
  if (hasAnomalyDetection) {
  thresholdTypeChoices.push([
  AlertRuleComparisonType.DYNAMIC,
- 'Anomaly: when evaluated values are outside of expected bounds',
+ 'Anomaly: whenever values are outside of expected bounds',
  ] as RadioOption);
  }
 

static/app/views/alerts/rules/metric/triggers/anomalyAlertsForm.tsx

@@ -39,10 +39,10 @@ function SensitivityFormItem({
 }: SensitivityFormItemProps) {
  return (
  <StyledField
- label={'Sensitivity'}
+ label={'Level of responsiveness'}
  id={'sensitivity'}
  help={
- 'Lower sensitivity will alert you only when anomalies are larger, higher sensitivity will alert you and your team for even small deviations.'
+ 'Choose your level of anomaly responsiveness. Higher thresholds means alerts for most anomalies. Lower thresholds means alerts only for larger ones.'
  }
  required
  >
@@ -80,9 +80,9 @@ function DirectionFormItem({
 }: DirectionFormItemProps) {
  return (
  <StyledField
- label={'Direction'}
+ label={'Direction of anomaly movement'}
  help={
- 'Indicate if you want to be alerted of anomalies above your set bounds, below, or both.'
+ 'Decide if you want to be alerted to anomalies that are moving above, below, or in both directions in relation to your threshold.'
  }
  required
  >