Improve the changeset text

Go through the changeset text for the recent merged changesets and
improve them a little before release.

[skip ci]

.changesets/add-appsignal-set_tags-helper.md

@@ -3,4 +3,4 @@ bump: patch
 type: add
 ---
 
-Add `Appsignal.set_tags` helper as an alias for `Appsignal.tag_request`. This is a context independent named alias which we use on the Transaction class as well.
+Add `Appsignal.set_tags` helper as an alias for `Appsignal.tag_request`. This is a context independent named alias available on the Transaction class as well.

.changesets/add-block-argument-to-set_params.md

@@ -3,7 +3,7 @@ bump: patch
 type: add
 ---
 
-Add a block argument to the `Appsignal.set_params` and `Appsignal::Transaction#set_params` helpers. When `set_params` is called with a block argument, the block is executed when the parameters are stored on the Transaction. This block is only called when the Transaction is sampled. Use this block argument to avoid having to parse parameters for every transaction, even when it's not sampled.
+Add a block argument to the `Appsignal.set_params` and `Appsignal::Transaction#set_params` helpers. When `set_params` is called with a block argument, the block is executed when the parameters are stored on the Transaction. This block is only called when the Transaction is sampled. Use this block argument to avoid having to parse parameters for every transaction, to speed things up when the transaction is not sampled.
 
 ```ruby
 Appsignal.set_params do

.changesets/add-report_error-helper.md

@@ -3,4 +3,4 @@ bump: minor
 type: add
 ---
 
-Add the `Appsignal.report_error` helper to report errors. If you were ever unsure whether to use `Appsignal.set_error` or `Appsignal.send_error`, use `Appsignal.report_error` from now to always report the error.
+Add the `Appsignal.report_error` helper to report errors. If you unsure whether to use the `Appsignal.set_error` or `Appsignal.send_error` helpers in what context, use `Appsignal.report_error` to always report the error.

.changesets/deprecate-appsignal--rack--genericinstrumentation-middleware.md

@@ -3,4 +3,4 @@ bump: patch
 type: deprecate
 ---
 
-Deprecate the `Appsignal::Rack::GenericInstrumentation` middleware. Use the `Appsignal::Rack::InstrumentationMiddleware` middleware instead. See changelog entry about the `InstrumentationMiddleware`.
+Deprecate the `Appsignal::Rack::GenericInstrumentation` middleware. Use the `Appsignal::Rack::InstrumentationMiddleware` middleware instead. See also the changelog entry about the `InstrumentationMiddleware`.

.changesets/fix-deprecation-of-bundler-rubygems-all_specs.md

@@ -3,4 +3,4 @@ bump: "patch"
 type: "fix"
 ---
 
-Fix deprecation warning of Bundler.rubygems.all_specs usage.
+Fix the deprecation warning of `Bundler.rubygems.all_specs` usage.