Fix highlighted lines in embedded filter examples

Author: jeff-allen-mongo

source/filter-embedded-charts.txt

@@ -147,7 +147,7 @@ an Unauthenticated chart and a Verified Signature chart:
          equal to ``8``:
 
          .. code-block:: none
-            :emphasize-lines: 4
+            :emphasize-lines: 3
 
             https://charts.mongodb.com/charts-atlasproject1-piocy/embed/charts?
             id=93584ddb-1115-4a12-afd9-5129e47bbb0d&
@@ -196,7 +196,7 @@ an Unauthenticated chart and a Verified Signature chart:
          equal to ``8``:
 
          .. code-block:: none
-            :emphasize-lines: 6
+            :emphasize-lines: 5
 
             https://charts.mongodb.com/charts-atlasproject1-piocy/embed/charts?
             id=93584ddb-1115-4a12-afd9-5129e47bbb0d&
@@ -240,4 +240,3 @@ which the ``total`` field is greater than ``100``:
      height: 500,
      filter: { "total": { "$gt": 100 } }
    })
-