tweaks

Author: Christopher Doris

docs/src/releasenotes.md

@@ -1,7 +1,7 @@
 # Release Notes
 
 ## Unreleased (v1)
-* The vast majority of these changes are breaking, see the [Migration Guide](@ref v1-migration-guide) for how to upgrade to v1.
+* The vast majority of these changes are breaking, see the [v1 Migration Guide](@ref) for how to upgrade.
 * Changes to core functionality:
   * Comparisons like `==(::Py, ::Py)`, `<(::Py, ::Number)`, `isless(::Number, ::Py)` now return `Bool` instead of `Py`.
 * Changes to `PythonCall.GC` (now more like `Base.GC`):

docs/src/v1-migration-guide.md

@@ -1,4 +1,6 @@
-# [v0.9 to v1 Migration Guide](@id v1-migration-guide)
+# v1 Migration Guide
+
+Use this guide to help with migrating code from v0.9 to v1.
 
 ## Core functionality