import: make help clearer. suggested by asak.
--- a/mercurial/commands.py
+++ b/mercurial/commands.py
@@ -1721,9 +1721,10 @@ def import_(ui, repo, patch1, *patches,
You can import a patch straight from a mail message. Even patches
as attachments work (body part must be type text/plain or
- text/x-patch to be used). Sender and subject line of email
- message are used as default committer and commit message. Any
- text/plain body part before first diff is added to commit message.
+ text/x-patch to be used). From and Subject headers of email
+ message are used as default committer and commit message. All
+ text/plain body parts before first diff are added to commit
+ message.
If imported patch was generated by hg export, user and description
from patch override values from message headers and body. Values