Add additional detail about the Source Admin role (#4633)

* Update roles.md

* Update roles.md

* Update src/segment-app/iam/roles.md

---------

Co-authored-by: markzegarelli <[email protected]>

Author: sneha-shashidhar

src/segment-app/iam/roles.md

@@ -12,7 +12,7 @@ All Segment workspaces have the following roles, regardless of account type.
 | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | Workspace Owner     | Owners have full read and edit access to everything in the workspace, including sources, destinations, add-on products, and settings. Owners have full edit access to all team permissions.                                                                                                                                                                                                                                                                                                                         |
 | Workspace Member    | Members inherit custom permissions based on [individual roles](#business-tier-roles) assigned.                                                                                                                                                                                                                                                                                                                                                                                                                      |
-| Source Admin        | Source admins have edit access to:<br>- assigned source(s) <br>- the settings for that source <br>- any connected streaming destinations <br>- Schema <br>- live data from the source in the [debugger](/docs/connections/sources/debugger/) <br>- the source's [write key](/docs/connections/find-writekey/) <br><br>A user with the Source Admin role can get access to either all current and future sources, or a specific list of sources, or (if you're on a Business plan) to sources with a specific Label. |
+| Source Admin        | Source admins have edit access to:<br>- assigned source(s) <br>- the settings for that source <br>- any connected streaming destinations <br>- Schema <br>- live data from the source in the [debugger](/docs/connections/sources/debugger/) <br>- the source's [write key](/docs/connections/find-writekey/) <br><br>A user with the Source Admin role can get access to either all current and future sources, or a specific list of sources, or (if you're on a Business plan) to sources with a specific Label. Source Admins can create new sources when the “All sources in Workspace including future sources” option is selected.  |
 | Function Admin     | Function admins can create, edit and delete access to assigned function(s). When you assign a user the Functions Admin role, you can grant them access to either _all current and future_ functions, or to a _specific list_ of functions.                                                                                                                                                                                                                                                                         |
 | Function Read-only | The Function read-only role grants users the ability to read an assigned function(s). When you assign a user the Functions Read-only role, you can grant them access to either _all current and future_ functions, or to a _specific list_ of functions.                                                                                                                                                                                                                                                           |