Docs: Suggesting few changes to the document (#25435)

* Suggesting few changes to the document

* Update docs/sources/panels/visualizations/heatmap.md

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

* Update docs/sources/panels/visualizations/heatmap.md

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

docs/sources/panels/visualizations/heatmap.md

@@ -79,10 +79,10 @@ You can also change the color mode to Opacity. In this case, the color will not
 
 ### Color scale
 
-By default, Grafana calculates cell colors based on minimum and maximum buckets values. With Min and Max you can overwrite that values. Think of a bucket value as a Z-axis and Min and Max as Z-Min and Z-Max respectively.
+By default, Grafana calculates cell colors based on minimum and maximum buckets values. With Min and Max you can overwrite those values. Think of a bucket value as a Z-axis and Min and Max as Z-Min and Z-Max respectively.
 
-- **Min -** Minimum value using for cell color calculation. If bucket value less than Min, it will be mapped to the "minimum" color. Default is series min value.
-- **Max -** Maximum value using for cell color calculation. If bucket value greater than Max, it will be mapped to the "maximum" color. Default is series max value.
+- **Min -** Minimum value using for cell color calculation. If the bucket value is less than Min, then it is mapped to the "minimum" color. Default is series min value.
+- **Max -** Maximum value using for cell color calculation. If the bucket value is greater than Max, then it is mapped to the "maximum" color. Default is series max value.
 
 ### Legend