upgrade.md: fix grammatical errors (#16965)

richvdh · web-flow · commit acc2f00ecaab · 2024-03-14T13:54:01.000Z
comma splice
"rollback" is a noun
diff --git a/changelog.d/16965.doc b/changelog.d/16965.doc
@@ -0,0 +1 @@
+Minor grammatical corrections to the upgrade documentation.
diff --git a/docs/upgrade.md b/docs/upgrade.md
@@ -88,11 +88,11 @@ process, for example:
     dpkg -i matrix-synapse-py3_1.3.0+stretch1_amd64.deb
     ```
 
-Generally Synapse database schemas are compatible across multiple versions, once
-a version of Synapse is deployed you may not be able to rollback automatically.
+Generally Synapse database schemas are compatible across multiple versions, but once
+a version of Synapse is deployed you may not be able to roll back automatically.
 The following table gives the version ranges and the earliest version they can
 be rolled back to. E.g. Synapse versions v1.58.0 through v1.61.1 can be rolled
-back safely to v1.57.0, but starting with v1.62.0 it is only safe to rollback to
+back safely to v1.57.0, but starting with v1.62.0 it is only safe to roll back to
 v1.61.0.
 
 <!-- REPLACE_WITH_SCHEMA_VERSIONS -->

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Minor grammatical corrections to the upgrade documentation.`