clearer cmment

docs/conf.py

@@ -166,7 +166,7 @@
 nbsphinx_execute = "auto"  # "never" | "always" | "auto" (build a notebook if its cell outputs are empty)
 
 """
-note: these notebooks are excluded from build from their metadata ("nbsphinx": {"execute": "never"}})
+note: these notebooks are excluded from execution from their metadata ("nbsphinx": {"execute": "never"}})
 "calculate_sensitivity_from_Crab.ipynb",
 "explore_DL2.ipynb",
 "read_and_plot_LST_Data.ipynb",