Merge pull request #246 from rubygems/fixup-upgrading-guides

Fixup upgrading guides

Author: hsbt

_posts/2025-12-03-upgrade-to-rubygems-bundler-4.md

@@ -26,7 +26,7 @@ This was an unfinished feature originally intended to install gems directly into
 The following deprecated methods have been removed with no replacement:
 
 * `Gem::Specification#has_rdoc`, `has_rdoc=` and `has_rdoc?`
-* `Gem::DependencyInstaller#find_gems_with_sources` has been removed
+* `Gem::DependencyInstaller#find_gems_with_sources`
 * `Gem::Util.silent_system`
 * `Gem::Specification#validate_metadata`, `validate_dependencies` and `validate_permissions`
 * `Gem::Specification#default_executable`
@@ -90,7 +90,7 @@ This magic has been removed from Bundler 4, and you now explicitly need to confi
 
 This was the only bundler command requiring external dependencies, both an OS dependency (the `graphviz` package) and a gem dependency (the `ruby-graphviz` gem). Removing these dependencies made development easier and it was also seen by the bundler team as an opportunity to develop a bundler plugin that is officially maintained by the RubyGems team, and that users can take as a reference to develop their own plugins.
 
-The new plugin is called `bundler-graph` and it is available at https://github.com/rubygems/bundler-graph now.
+The new plugin is called `bundler-graph` and it is available at [https://github.com/rubygems/bundler-graph](https://github.com/rubygems/bundler-graph) now.
 
 The plugin contains the same code as the old core command, the only difference being that the command is now implemented as `bundle graph` which is much easier to understand.