docs: livepatch: Fix a typo and remove the unnecessary gaps in a sentence

s/varibles/variables/

...and remove leading spaces from a sentence.

Signed-off-by: Bhaskar Chowdhury <[e-mail]>
Acked-by: Joe Lawrence <[e-mail]>
Acked-by: Petr Mladek <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
[jc: performed suggested prepositional tweak]
Signed-off-by: Jonathan Corbet <[e-mail]>

Documentation/livepatch/shadow-vars.rst

···
 
 Sometimes it may not be convenient or possible to allocate shadow
 variables alongside their parent objects.  Or a livepatch fix may
-require shadow varibles to only a subset of parent object instances.  In
-these cases, the klp_shadow_get_or_alloc() call can be used to attach
+require shadow variables for only a subset of parent object instances.
+In these cases, the klp_shadow_get_or_alloc() call can be used to attach
 shadow variables to parents already in-flight.
 
 For commit 1d147bfa6429, a good spot to allocate a shadow spinlock is