Adding lightboxed images, fixing typo

requirements.txt

@@ -4,4 +4,5 @@ git+https://github.com/ravindk89/sphinx-tabs
 recommonmark == 0.6.0
 sphinx-markdown-tables == 0.0.15
 Sphinx-Substitution-Extensions == 2020.9.30.0
-sphinx-togglebutton === 0.2.3
+sphinx-togglebutton === 0.2.3
+sphinxcontrib-images === 0.9.3

source/concepts/erasure-coding.rst

@@ -232,7 +232,7 @@ MinIO provides the following two storage classes:
    You can configure the ``REDUCED_REDUNDANCY`` storage class parity using
    either:
 
-   - The :envvar:`MINIO_STORAGE_CLASS_REDUCED` environment variable, *or*
+   - The :envvar:`MINIO_STORAGE_CLASS_RRS` environment variable, *or*
    - The :mc:`mc admin config` command to modify the 
      ``storage_class.rrs`` configuration setting.
 

source/conf.py

@@ -44,7 +44,8 @@ extensions = [
     'sphinx_markdown_tables',
     'sphinx-prompt',
     'sphinx_substitution_extensions',
-    'sphinx_togglebutton'
+    'sphinx_togglebutton',
+    'sphinxcontrib.images',
 ]
 
 # -- External Links
@@ -80,6 +81,12 @@ exclude_patterns = ['includes/*.rst']
 
 copybutton_selector = "div.copyable pre"
 
+# sphinxcontrib-images customization
+
+images_config = { 
+   'override_image_directive' : True
+}
+
 # -- Options for HTML output -------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for

source/reference/minio-server/minio-server.rst

@@ -340,7 +340,7 @@ refers to the specific storage tier on which to store a given object.
 
    Defaults to ``4``. 
 
-.. envvar:: MINIO_STORAGE_CLASS_REDUCED
+.. envvar:: MINIO_STORAGE_CLASS_RRS
 
    The number of :ref:`parity blocks <minio-ec-parity>` to create for objects
    with the reduced redundancy storage class. MinIO uses the ``EC:N``