message: feat(readme): add/update component README
diff: @@ -55,11 +55,11 @@ DDS_MASTHEAD_L1=true
  | `navigation` | NO | String OR Object | null | Navigation data object/string for Masthead. See `navigation` below. |
  | `hasProfile` | NO | Boolean | true | Determines whether to render IBM Profile Menu component. |
  | `hasSearch` | NO | Boolean | true | Determines whether to render SearchBar component. |
  -| `placeHolderText` | NO | String | `Search all of IBM` | Placeholder value for search input |
  +| `placeHolderText` | NO | String | `Search all of IBM` | Placeholder value for search input. |
  | `platform` | NO | Object | null | Platform name that appears on L0. See `platform` below. |
  -| `title` | NO | String | null | Title for the masthead L1 |
  -| `eyebrowText` | NO | String | null | Text for the eyebrow link in masthead L1 |
  -| `eyebrowLink` | NO | String | null | URL for the eyebrow link in masthead L1 |
  +| `title` | NO | String | null | Title for the masthead L1. |
  +| `eyebrowText` | NO | String | null | Text for the eyebrow link in masthead L1. |
  +| `eyebrowLink` | NO | String | null | URL for the eyebrow link in masthead L1. |
  ## navigation
  