Minor developer guide doc changes (elastic#75763)

# Conflicts:
#	docs/developer/best-practices/stability.asciidoc
#	docs/developer/getting-started/index.asciidoc
#	docs/developer/getting-started/running-kibana-advanced.asciidoc

docs/developer/best-practices/index.asciidoc

@@ -48,7 +48,7 @@ guidelines]
 * Write all new code on
 {kib-repo}blob/{branch}/src/core/README.md[the
 platform], and following
-{kib-repo}blob/{branch}/src/core/CONVENTIONS.md[conventions]
+{kib-repo}blob/{branch}/src/core/CONVENTIONS.md[conventions].
 * _Always_ use the `SavedObjectClient` for reading and writing Saved
 Objects.
 * Add `README`s to all your plugins and services.

docs/developer/best-practices/stability.asciidoc

@@ -52,15 +52,15 @@ storeinSessions?)
 [float]
 ==== Browser coverage
 
-Refer to the list of browsers and OS {kib} supports
+Refer to the list of browsers and OS {kib} supports:
 https://www.elastic.co/support/matrix
 
 Does the feature work efficiently on the list of supported browsers? 
 
 [float]
-==== Upgrade Scenarios - Migration scenarios- 
+==== Upgrade and Migration scenarios
 
-Does the feature affect old
-indices, saved objects ? - Has the feature been tested with {kib}
-aliases - Read/Write privileges of the indices before and after the
+* Does the feature affect old indices or saved objects?
+* Has the feature been tested with {kib} aliases?
+* Read/Write privileges of the indices before and after the
 upgrade?

docs/developer/getting-started/building-kibana.asciidoc

@@ -1,7 +1,7 @@
 [[building-kibana]]
 === Building a {kib} distributable
 
-The following commands will build a {kib} production distributable.
+The following command will build a {kib} production distributable:
 
 [source,bash]
 ----
@@ -36,4 +36,4 @@ To specify a package to build you can add `rpm` or `deb` as an argument.
 yarn build --rpm
 ----
 
-Distributable packages can be found in `target/` after the build completes.
+Distributable packages can be found in `target/` after the build completes.

docs/developer/getting-started/index.asciidoc

@@ -49,7 +49,7 @@ ____
 
 (You can also run `yarn kbn` to see the other available commands. For
 more info about this tool, see
-{kib-repo}tree/{branch}/packages/kbn-pm[{kib-repo}tree/{branch}packages/kbn-pm].)
+{kib-repo}tree/{branch}/packages/kbn-pm[{kib-repo}tree/{branch}/packages/kbn-pm].)
 
 When switching branches which use different versions of npm packages you
 may need to run:
@@ -137,4 +137,4 @@ include::debugging.asciidoc[]
 
 include::building-kibana.asciidoc[]
 
-include::development-plugin-resources.asciidoc[]
+include::development-plugin-resources.asciidoc[]

docs/developer/getting-started/running-kibana-advanced.asciidoc

@@ -73,8 +73,8 @@ settings].
 [float]
 ==== Potential Optimization Pitfalls
 
-* Webpack is trying to include a file in the bundle that I deleted and
-is now complaining about it is missing
+* Webpack is trying to include a file in the bundle that was deleted and
+is now complaining about it being missing
 * A module id that used to resolve to a single file now resolves to a
 directory, but webpack isn’t adapting
 * (if you discover other scenarios, please send a PR!)
@@ -84,4 +84,4 @@ directory, but webpack isn’t adapting
 
 {kib} includes self-signed certificates that can be used for
 development purposes in the browser and for communicating with
-Elasticsearch: `yarn start --ssl` & `yarn es snapshot --ssl`.
+Elasticsearch: `yarn start --ssl` & `yarn es snapshot --ssl`.