diff --git a/docs/conf.py b/docs/conf.py
index b1f6ca184..7ad2d42be 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -5,9 +5,12 @@
 # https://www.sphinx-doc.org/en/master/usage/configuration.html
 
 # -- General configuration ---------------------------------------------------
-
+import sys
+import os
 from multiproject.utils import get_project
 
+sys.path.insert(0, os.path.abspath('.'))
+
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
 # ones.
@@ -56,6 +59,13 @@
 myst_heading_anchors = 4
 nb_execution_mode = "off"
 
+# -- Custom Lexers -----------------------------------------------------------
+
+from lexers import SciJavaGroovyLexer
+
+def setup(app):
+    app.add_lexer('scijava-groovy', SciJavaGroovyLexer)
+
 # -- Options for HTML output -------------------------------------------------
 
 # The theme to use for HTML and HTML Help pages.  See the documentation for
diff --git a/docs/lexers.py b/docs/lexers.py
new file mode 100644
index 000000000..29dbb8e8d
--- /dev/null
+++ b/docs/lexers.py
@@ -0,0 +1,11 @@
+from pygments.lexer import inherit
+from pygments.lexers.jvm import GroovyLexer
+from pygments.token import Comment
+
+class SciJavaGroovyLexer(GroovyLexer):
+    tokens = {
+        'base': [
+            (r'#@.*?$', Comment.Single),
+            inherit,
+        ]
+    }
\ No newline at end of file
diff --git a/docs/ops/doc/examples/example_gaussian_subtraction.rst b/docs/ops/doc/examples/example_gaussian_subtraction.rst
index c53f4b03f..df7bb9c93 100644
--- a/docs/ops/doc/examples/example_gaussian_subtraction.rst
+++ b/docs/ops/doc/examples/example_gaussian_subtraction.rst
@@ -9,7 +9,7 @@ SciJava Ops via Fiji's sripting engine with `script parameters`_:
 
 .. tabs::
 
-    .. code-tab:: groovy
+    .. code-tab:: scijava-groovy
 
         #@ ImgPlus img
         #@ Double (label="Sigma:", value=5.0) sigma