Update release_notes/48-release-notes.adoc

Co-authored-by: Kerry Carmichael <[email protected]>

Author: erthalion

release_notes/48-release-notes.adoc

@@ -67,7 +67,7 @@ database PVC.
 * Do not interrupt the upgrade procedure. If the upgrade is interrupted, a manual
 intervention might be required to proceed.
 
-Depending on the amount of data the upgrade may take extra time to finish.
+Depending on the amount of data, the upgrade can take extra time to finish.
 ====
 
 [id="notable-technical-changes-rn-48_{context}"]