Make a small grammatical adjustment

The original form of the phrase - «The other option is to specifically
checking if a session has expired after the session is started.» - is
not entirely grammatically correct, as the infinitive form of «to check»
shall normally be used, or the gerund form, which is the form used in
this commit.
[Cookbook][External Parameters] Enhance description of environment variables
Correct a typo.

Removed uncorrect "load use" phrase part, and replaced it with "you can
use", which I guess conveys the original meaning of the phrase better.
feature #4269 [Cookbook][External Parameters] Enhance content (bicpi)

This PR was merged into the 2.3 branch.

Discussion
----------

[Cookbook][External Parameters] Enhance content

Enhance description of environment variables used as container parameters

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no
| Applies to    | all
| Fixed tickets | -

Commits
-------

93684e2 [Cookbook][External Parameters] Enhance description of environment variables
minor #4276 [Components][HttpFoundation] Make a small grammatical adjustment (fabschurt)

This PR was merged into the 2.3 branch.

Discussion
----------

[Components][HttpFoundation] Make a small grammatical adjustment

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3+
| Fixed tickets | n/a

The original form of the phrase - «The other option is to specifically
checking if a session has expired after the session is started.» - is
not entirely grammatically correct, as the infinitive form of «to check»
shall normally be used, or the gerund form, which is the form used in
this commit.

Commits
-------

3ad13a1 Make a small grammatical adjustment
[#4276] Making language correction we agreed on
minor #4325 [Components][Form] Correct a typo (fabschurt)

This PR was merged into the 2.3 branch.

Discussion
----------

[Components][Form] Correct a typo

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | 2.3+
| Fixed tickets | n/a

Removed uncorrect "load use" phrase part, and replaced it with "you can
use", which I guess conveys the original meaning of the phrase better.

Commits
-------

3d3388d Correct a typo.
Merge branch '2.3' into 2.5

* 2.3:
  [#4276] Making language correction we agreed on
  [Cookbook][External Parameters] Enhance description of environment variables
  Make a small grammatical adjustment
Merge branch '2.3' into 2.5

* 2.3:
  Correct a typo.