docs(cron): rewrap the single-line prompt paragraph

Co-Authored-By: Christian Haberl <116439789+christianhaberl@users.noreply.github.com>
Co-Authored-By: Claude <noreply@anthropic.com>

docs/wiki/Cron-Jobs.md

@@ -54,8 +54,8 @@ or a server restart shifts later runs slightly. That drift is accepted rather th
 This is the rule people trip over. A cron job fires with nobody watching, and the check that
 re-presses an Enter the agent ignored cannot reliably recognise a multi-line paste in the
 composer, so a multi-line prompt could sit there unsent. In `paste` mode the newlines would
-reach the agent as keys. So a multi-line prompt is **rejected**: the form refuses it, and a prompt file whose
-contents are multi-line fails the run with a clear message.
+reach the agent as keys. So a multi-line prompt is **rejected**: the form refuses it, and a
+prompt file whose contents are multi-line fails the run with a clear message.
 
 For anything longer than a sentence, put the instructions in a file and make the prompt tell
 the agent to read it: