gh-86404: [doc] Fix missing space in idle documentation. (GH-94366)

This should have been spotted by sphinx-lint, tracked here:

https://github.com/sphinx-contrib/sphinx-lint/issues/39

diff --git a/Doc/library/idle.rst b/Doc/library/idle.rst
index df02cdc7426161ac632c7c8f0b0b4aeb5eb0b84e..a4c9b1df8eb46885eecccc946cbf253d4f8d31bb 100644 (file)
--- a/Doc/library/idle.rst
+++ b/Doc/library/idle.rst
@@ -594,7 +594,7 @@ One may edit pasted code first.
 If one pastes more than one statement into Shell, the result will be a
 :exc:`SyntaxError` when multiple statements are compiled as if they were one.
 
-Lines containing`'RESTART'` mean that the user execution process has been
+Lines containing ``'RESTART'`` mean that the user execution process has been
 re-started.  This occurs when the user execution process has crashed,
 when one requests a restart on the Shell menu, or when one runs code
 in an editor window.