chore: Text improvements in the onboarding flow

[matthewelwell]

Thanks for submitting a PR! Please check the boxes below:

• I have read the Contributing Guide.
• I have added information to docs/ if required so people know about the feature.
• I have filled in the "Changes" section below.
• I have filled in the "How did you test this code" section below.

Changes

Update some of the copy used in the onboarding flow.

How did you test this code?

n/a - basic copy changes.

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Project	Deployment	Actions	Updated (UTC)
flagsmith-frontend-preview	Ready	Preview, Comment	Apr 2, 2026 8:22pm
flagsmith-frontend-staging	Ready	Preview, Comment	Apr 2, 2026 8:22pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
docs	Ignored		Apr 2, 2026 8:22pm

[github-actions]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-e2e:pr-7115	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api-test:pr-7115	Finished ✅	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-7115	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith:pr-7115	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-private-cloud:pr-7115	Finished ✅	Results ✅
ghcr.io/flagsmith/flagsmith-frontend:pr-7115	Finished ✅	Results ✅

[github-actions]

Playwright Test Results (oss - depot-ubuntu-latest-16)

 10 passed

Details

 10 tests across 7 suites
 39.4 seconds
 775f282
 🔄 Run: #15671 (attempt 1)

Playwright Test Results (oss - depot-ubuntu-latest-arm-16)

 10 passed

Details

 10 tests across 7 suites
 8.1 seconds
 775f282
 🔄 Run: #15671 (attempt 1)

Playwright Test Results (private-cloud - depot-ubuntu-latest-arm-16)

 16 passed

Details

 16 tests across 13 suites
 52 seconds
 775f282
 🔄 Run: #15671 (attempt 1)

Playwright Test Results (private-cloud - depot-ubuntu-latest-16)

 2 passed

Details

 2 tests across 2 suites
 50.1 seconds
 775f282
 🔄 Run: #15671 (attempt 1)