Ref NOAA-EMC#26

Clarify comments.

Author: EdwardSafford-NOAA

parm/gfs/test_hist.yaml

@@ -1,10 +1,10 @@
 # DA Monitoring source dictionary
 
-# This is a simple script to create a radiance plot using the radHist 
-# (histogram) plot template.
+# This is a simple script to create a histogram plot using legacy 
+# GSI-monitor radiance scan angle data.
 #
 # It is intended as a proof of concept and isn't an actual part of the 
-# legacy RadMon.
+# legacy RadMon output.
 #
 
 model: gfs

parm/templates/radHist.yaml

@@ -48,7 +48,7 @@ graphics:
       figure:
         layout: [1,1]
         figure size: [20,18]
-        title: "${variable}, {{SENSOR}}_{{SAT}} channel ${channel}  \n Valid: {{ PDATE | to_YMDH }}"
+        title: "${variable} of scan angles, {{SENSOR}}_{{SAT}} channel ${channel}  \n Valid: {{ PDATE | to_YMDH }}"
         output name: hist_plots/rad/hist/hist.{{SENSOR}}_{{SAT}}.${channel}.${variable}.png
         plot logo:
           which: 'noaa/nws'