Use the posessive determiner instead of a contracted auxiliary.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
*
* The @flags contains a .completer_flags value defined for each
* use or 0 if no .completer_flags were specified. If a completer
- * is generic enough @flags can be used to alter it's behaviour.
+ * is generic enough @flags can be used to alter its behaviour.
* For instance, a completer to fetch names of domains can use
* @flags to return names of only domains in a particular state
* that the command accepts.