ENH: take into account reviewers comments and add statement about copyright...

ENH: take into account reviewers comments and add statement about copyright mentions (plus miron spelling fixes)

.gitlab/merge_request_templates/request_for_changes.md

@@ -30,4 +30,4 @@ List remaining open issues if any, and additional notes.
 
 ### Copyright
 
-[ ] I've signed the ORFEO ToolBox Contributor License Agreement
+The copyright owner is *COPYRIGHT OWNER (OR OWNER'S AGENT)* and has signed the ORFEO ToolBox Contributor License Agreement

CONTRIBUTING.md

@@ -13,7 +13,7 @@ There are many ways to contribute to OTB:
 * [Publishing a remote module](#remote-modules)
 
 Our main workflow uses GitLab for source control, issues and task tracking. We
-use a self-hosted gitlab instance:
+use a self-hosted GitLab instance:
 
 [`https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb`](https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb)
 
@@ -62,7 +62,7 @@ which we will manually merge.
 
 On your feature branch, write a good [commit message](https://xkcd.com/1296/):
 short and descriptive. If fixing an issue or bug, put the issue number in the
-commit message so that GitLab can [crosslink it](https://docs.gitlab.com/ce/user/project/issues/crosslinking_issues.html).
+commit message so that GitLab can [cross-link it](https://docs.gitlab.com/ce/user/project/issues/crosslinking_issues.html).
 You can prefix your commit message with an indicating flag (DOC, BUG, PKG,
 TEST, SuperBuild, etc.).
 
@@ -113,7 +113,7 @@ Again, the second branch name is optional.
 
 For users without push access to [otb-devutils repository](https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb-devutils.git), the modification can be asked through a merge requests to this repository.
 
-Once the feature branch is registered for testing, it should appear in the *FeatureBranches* section of the [OTB dashboard](https://dash.orfeo-toolbox.org/index.php?project=OTB) next day (remember tests are run on a nighlty basis).
+Once the feature branch is registered for testing, it should appear in the *FeatureBranches* section of the [OTB dashboard](https://dash.orfeo-toolbox.org/index.php?project=OTB) next day (remember tests are run on a nightly basis).
 
 Do not forget to remove the feature branch for testing once it has been merged.
 
@@ -133,10 +133,14 @@ Agreement](https://www.orfeo-toolbox.org/cla/ccla-en.doc) (CCLA) form if you are
 contributing on behalf of your company or another entity which retains copyright
 for your contribution.
 
+The copyright owner (or owner's agent) must be mentioned in headers of all
+modified source files and also added to the [NOTICE
+file](https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/raw/develop/NOTICE).
+
 ## Remote modules
 
 [Remote Modules](https://wiki.orfeo-toolbox.org/index.php/Remote_Modules) are
-the prefered way if you wish to make your apps and filters available to the
+the preferred way if you wish to make your apps and filters available to the
 community while keeping control and maintenance of their sources. Remote
 modules are just like regular modules, except they are not distributed inside
 OTB source code. Under some conditions (dependencies, official acceptance
@@ -144,13 +148,13 @@ process, etc.), we are also able to distribute your remote module in the
 official standalone binaries. See [the wiki](https://wiki.orfeo-toolbox.org/index.php/Remote_Modules)
 for more information.
 
-## Gitlab guidelines
+## GitLab guidelines
 
-In order to organize the issues in our Gitlab instance, we use both labels and
+In order to organize the issues in our GitLab instance, we use both labels and
 milestones.
 
 The [milestones](https://gitlab.orfeo-toolbox.org/orfeotoolbox/otb/milestones) should be used to track in which release a feature is merged.
-Gitlab can then provide a summary of all features and bugs added to a given release
+GitLab can then provide a summary of all features and bugs added to a given release
 version.
 
 Regarding labels, we use the following set: