Update resource-limits-quotas-capacity.md

I added more details around making a quota increase request to clearly state what we support at this time.

Author: lalexedwards

articles/load-testing/resource-limits-quotas-capacity.md

@@ -33,7 +33,7 @@ The following limits apply on a per-region, per-subscription basis.
 | Concurrent engine instances |     5-100 <sup>1</sup>    |     1000    |
 | Engine instances per test run | 1-45 <sup>1</sup> |  45   | 
 
-<sup>1</sup> To request an increase beyond this limit, contact Azure Support. Default limits vary by offer category type.
+<sup>1</sup> If you are not already at the maximum limit, you may request an increase. Please note we are not currently able to approve increase requests past our maximum limitations stated above. To request an increase for your default limit, contact Azure Support. Default limits vary by offer category type.
 
 ### Test runs
 
@@ -44,7 +44,7 @@ The following limits apply on a per-region, per-subscription basis.
 | Concurrent test runs | 5-25 <sup>2</sup> |     1000    |
 | Test duration | 3 hours |
 
-<sup>2</sup> To request an increase beyond this limit, contact Azure Support. Default limits vary by offer category type.
+<sup>2</sup> If you are not already at the maximum limit, you may request an increase. Please note we are not currently able to approve increase requests past our maximum limitations stated above. To request an increase for your default limit, contact Azure Support. Default limits vary by offer category type.
 
 ### Data retention