Commit suggestion from review

projects/guidelines.md

@@ -101,7 +101,7 @@ obtain, provide feedback (as bug reports or enhancements), and contribute to the
 * The project's source repository MUST track what changes were made, who made the changes, and when the changes were made.
 * To enable collaborative review, the project's source repository SHOULD include interim versions for review between releases; it SHOULD NOT include only final releases.
 * The project results MUST have a unique version identifier for each release intended to be used by users.
-  We recommend to use either [Semantic Versioning](https://semver.org) or [Calendar Versioning](https://calver.org) as appropriate, since popular schemes.
+  We recommend using a well defined versioning scheme that is consistent with practices in your sub-domain, e.g. [Semantic Versioning](https://semver.org) or [Calendar Versioning](https://calver.org).
 * The project MUST provide, in each release, release notes that are a human-readable summary of major changes in that release to help users determine if they should upgrade and what the upgrade impact will be.
 The release notes SHOULD NOT be the raw output of a version control log (e.g., the "git log" command results are not release notes).