Inclusive language update

- Update Github README.md
- Add section about inclusive language in our documention

Resolves COMPMID-5129

Signed-off-by: Adnan AlSinan <adnan.alsinan@arm.com>
Change-Id: Iab56d284a81061a1e62f4df7163553fdf47c2d7d
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/7100
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Gunes Bayir <gunes.bayir@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/README.md b/README.md
index 28418c9..f3a08ee 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,7 @@
 
+> **⚠ Important**
+> Starting from the next release (22.05): 'master' branch will be changed to 'main' following our inclusive language update, more information [here](https://arm-software.github.io/ComputeLibrary/latest/contribution_guidelines.xhtml#S5_0_inc_lang).
+
 <br>
 <div align="center">
  <img src="https://raw.githubusercontent.com/ARM-software/ComputeLibrary/gh-pages/ACL_logo.png"/><br><br>
diff --git a/docs/contributor_guide/contribution_guidelines.dox b/docs/contributor_guide/contribution_guidelines.dox
index d37c6b9..ab02adf 100644
--- a/docs/contributor_guide/contribution_guidelines.dox
+++ b/docs/contributor_guide/contribution_guidelines.dox
@@ -1,5 +1,5 @@
 ///
-/// Copyright (c) 2019-2020 Arm Limited.
+/// Copyright (c) 2019-2022 Arm Limited.
 ///
 /// SPDX-License-Identifier: MIT
 ///
@@ -35,6 +35,13 @@
 - Development repository: https://review.mlplatform.org/#/admin/projects/ml/ComputeLibrary
 - Please report issues here: https://github.com/ARM-software/ComputeLibrary/issues
 
+@section S5_0_inc_lang Inclusive language guideline
+As part of the initiative to use inclusive language, there are certain phrases and words that were removed or replaced by more inclusive ones. Examples include but not limited to:
+\includedoc non_inclusive_language_examples.dox
+
+Please also follow this guideline when committing changes to Compute Library.
+
+Futhermore, starting from next release (22.05), 'master' branch will no longer be used, it will be replaced by 'main'. Please update your clone jobs accordingly.
 @section S5_1_coding_standards Coding standards and guidelines
 
 Best practices (as suggested by clang-tidy):
diff --git a/docs/contributor_guide/non_inclusive_language_examples.dox b/docs/contributor_guide/non_inclusive_language_examples.dox
new file mode 100644
index 0000000..addfdd3
--- /dev/null
+++ b/docs/contributor_guide/non_inclusive_language_examples.dox
@@ -0,0 +1,4 @@
+ - master/slave
+ - black/white
+ - he/she, him/her, his/hers
+   - When referring to a person where gender is irrelevant or unknown, kindly use they, them, theirs, or a person’s preferred pronoun.
\ No newline at end of file
diff --git a/docs/user_guide/release_version_and_change_log.dox b/docs/user_guide/release_version_and_change_log.dox
index 0e2c842..f8db6e2 100644
--- a/docs/user_guide/release_version_and_change_log.dox
+++ b/docs/user_guide/release_version_and_change_log.dox
@@ -1,5 +1,5 @@
 ///
-/// Copyright (c) 2017-2021 Arm Limited.
+/// Copyright (c) 2017-2022 Arm Limited.
 ///
 /// SPDX-License-Identifier: MIT
 ///
@@ -37,6 +37,7 @@
 	v17.04 (First release of April 2017)
 
 @note We're aiming at releasing one major public release with new features per quarter. All releases in between will only contain bug fixes.
+@note Starting from next release (22.05), 'master' branch will no longer be used, it will be replaced by 'main'. Please update your clone jobs accordingly.
 
 @section S2_2_changelog Changelog
 
@@ -44,7 +45,7 @@
  - Various bug fixes.
  - Various optimizations:
    - Improve performance of bilinear and nearest neighbor Scale on both CPU and GPU for FP32, FP16, Int8, Uint8 data types
-   - Improve performance of Softmax on GPU for Uint8/Int8 
+   - Improve performance of Softmax on GPU for Uint8/Int8
  - New OpenCL kernels / functions:
    - @ref CLConv3D
  - New Arm® Neon™ kernels / functions: