Comment editorial

Author: echedey-ls

docs/sphinx/source/conf.py

@@ -390,7 +390,7 @@ def setup(app):
 
     # do not execute gallery examples that begin with NX_
     # https://sphinx-gallery.github.io/stable/configuration.html#parsing-and-executing-examples-via-matching-patterns
-    # left & center ensure only start of filename as remaining group to match by right operand
+    # left & center operands ensure only start of filename as remaining group to be matched by right operand
     'filename_pattern': "^.*" + os.path.sep + "((?!NX_).)*$",
 
     # directory where function/class granular galleries are stored