cmd ref: std. wording in paragraph with ref to re-importing from update

static/docs/command-reference/update.md

@@ -32,9 +32,9 @@ Another detail to note is that when the `--rev` (revision) option of
 `dvc import` has been used to create an import stage, DVC is not aware of what
 kind of
 [Git revision](https://git-scm.com/book/en/v2/Git-Internals-Git-References) this
-is, for example a branch or a tag. For static references such as tags (unless
-manually updated), or for SHA commits, `dvc update` will not have any effect on
-the import. Refer to the
+is, for example a branch or a tag. For typically static references (e.g. tags),
+or for SHA commits, `dvc update` will not have any effect on the import. Refer
+to the
 [re-importing example](/doc/command-reference/import#example-fixed-revisions-re-importing)
 to learn how to "update" fixed-revision imports.