incoporate feedback

Author: mumian

articles/azure-resource-manager/bicep/diagnostics/bcp147.md

@@ -8,7 +8,7 @@ ms.date: 08/23/2024
 
 # Bicep error code - BCP147
 
-This error occurs when you have a `@allowed()` decorator but miss the `param` declaration.
+This error occurs when you have a decorator that is expecting to be followed by a `param` declaration, but miss the declaration.
 
 ## Error description
 

articles/azure-resource-manager/bicep/diagnostics/bcp290.md

@@ -8,7 +8,7 @@ ms.date: 08/23/2024
 
 # Bicep error code - BCP290
 
-This error occurs when you miss the parameter or the type declaration after the `@secure()` decorator.
+This error occurs when you have a decorator that is expecting to be followed by a `param` or `type` declaration, but miss the declaration.
 
 ## Error description
 

articles/azure-resource-manager/bicep/diagnostics/bcp292.md

@@ -8,7 +8,7 @@ ms.date: 08/23/2024
 
 # Bicep error code - BCP292
 
-This error occurs when you miss type declaration after the `@metadata`, `@minValue()`, `@maxValue()`, `@minLength()`, `@maxLength()`, `@discriminator()`, or `@sealed()` decorator.
+This error occurs when you have a decorator that is expecting to be followed by a `param` or `output` or `type` declaration, but miss the declaration.
 
 ## Error description
 

articles/azure-resource-manager/bicep/diagnostics/bcp311.md

@@ -8,7 +8,7 @@ ms.date: 08/08/2024
 
 # Bicep error code - BCP311
 
-This error occurs when you provide an invalid index number.
+This error occurs when you provide an invalid index number. Arrays in Bicep are zero-based. For more information, see [Arrays](../data-types.md#arrays).
 
 ## Error description