fix: fm capitalization

hera_notebook_templates/notebooks/lststack.ipynb

@@ -166,8 +166,8 @@
     "inpaint_sample_cov_fraction: float = 0.0 # Default zero uses variance, one uses full sample covariance\n",
     "inpaint_use_unbiased_estimator: bool = False # Default False slight over estimate of the covariance, but guaranteed to be non-negative\n",
     "\n",
-    "FM_low_freq: float = 87.5 # in MHz\n",
-    "FM_high_freq: float = 108.0 # in MHz\n",
+    "fm_low_freq: float = 87.5 # in MHz\n",
+    "fm_high_freq: float = 108.0 # in MHz\n",
     "\n",
     "# Flagging Configuration\n",
     "zscore_threshold: float = 5              # Value of |Z| above which data are flagged. \n",
@@ -698,7 +698,7 @@
    },
    "outputs": [],
    "source": [
-    "inpaint_bands = [(0, FM_low_freq), (FM_high_freq, np.inf)]  # default below and above FM\n",
+    "inpaint_bands = [(0, fm_low_freq), (fm_high_freq, np.inf)]  # default below and above FM\n",
     "\n",
     "# Get slices for the inpaint bands\n",
     "_inp = []\n",