fix Composer docs (#21228) (GoogleCloudPlatform#13486)

Author: translucens

mmv1/third_party/terraform/website/docs/r/composer_environment.html.markdown

@@ -1275,7 +1275,7 @@ The `worker` block supports:
 * `min_count` -
   (Optional)
   The minimum number of Airflow workers that the environment can run. The number of workers in the
-  environment does not go above this number, even if a lower number of workers can handle the load.
+  environment does not go below this number, even if a lower number of workers can handle the load.
 
 * `max_count` -
   (Optional)
@@ -1621,7 +1621,7 @@ The `worker` block supports:
 * `min_count` -
   (Optional)
   The minimum number of Airflow workers that the environment can run. The number of workers in the
-  environment does not go above this number, even if a lower number of workers can handle the load.
+  environment does not go below this number, even if a lower number of workers can handle the load.
 
 * `max_count` -
   (Optional)