Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: Roopan-Microsoft

infra/main.bicep

@@ -7,7 +7,7 @@ metadata description = 'Bicep template to deploy the Content Processing Solution
 // ========== Parameters ========== //
 @minLength(3)
 @maxLength(20)
-@description('Required. Name of the solution to deploy. This should be 3-20 characters long:')
+@description('Required. Name of the solution to deploy. This should be 3-20 characters long.')
 param solutionName string = 'cps'
 @description('Optional. Location for all Resources.')
 param location string = resourceGroup().location