diff --git a/RELEASING.rst b/RELEASING.rst
index da8e067..ed67c94 100644
--- a/RELEASING.rst
+++ b/RELEASING.rst
@@ -22,8 +22,13 @@ Testing
 Follow the steps in README-DEVELOPERS.md file for locally creating and
 installing the wheel, then test it::
 
+  $ python -m pytest
+
+Also::
+
   $ cd examples
   $ python roundtrip.py MI04_020751.tif
+  $ cd ..
 
 
 Tagging
@@ -37,6 +42,15 @@ Tagging
 
     $ git push --tags
 
+- If you happen to have to delete the tag, such as artifacts demonstrates a fault, first delete it locally::
+
+    $ git tag --delete vX.Y.Z
+
+  and then remotely on Github::
+
+    $ git push --delete origin vX.Y.Z
+
+
 - Create a new release visiting https://github.com/Blosc/blosc2_grok/releases/new
   and add the release notes copying them from `RELEASE_NOTES.md` document.
 
diff --git a/pyproject.toml b/pyproject.toml
index b157ea3..380e957 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,10 +27,8 @@ classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Developers",
     "Intended Audience :: Information Technology",
-    "Intended Audience :: Image Processing",
     "License :: OSI Approved :: GNU Affero General Public License v3 or later (AGPLv3+)",
     "Topic :: Software Development :: Libraries :: Python Modules",
-    "Topic :: Scientific/Engineering :: Image Processing",
     "Topic :: System :: Archiving :: Compression",
     "Operating System :: Microsoft :: Windows",
     "Operating System :: Unix",