Update conversation_api.md (#4589)

Signed-off-by: Siri Varma Vegiraju <[email protected]>
Co-authored-by: Whit Waldo <[email protected]>
Co-authored-by: Mark Fussell <[email protected]>

Author: 3 people

daprdocs/content/en/reference/api/conversation_api.md

@@ -32,7 +32,7 @@ POST http://localhost:<daprPort>/v1.0-alpha1/conversation/<llm-name>/converse
 | --------- | ----------- |
 | `inputs` | Inputs for the conversation. Multiple inputs at one time are supported. Required |
 | `cacheTTL` | A time-to-live value for a prompt cache to expire. Uses Golang duration format. Optional |
-| `scrubPII` | A boolean value to enable obfuscation of sensitive information returning from the LLM. Optional |
+| `scrubPII` | A boolean value to enable obfuscation of sensitive information returning from the LLM. Set this value if all PII (across contents) in the request needs to be scrubbed. Optional |
 | `temperature` | A float value to control the temperature of the model. Used to optimize for consistency and creativity. Optional |
 | `metadata` | [Metadata](#metadata) passed to conversation components. Optional |
 
@@ -42,7 +42,7 @@ POST http://localhost:<daprPort>/v1.0-alpha1/conversation/<llm-name>/converse
 | --------- | ----------- |
 | `content` | The message content to send to the LLM. Required |
 | `role` | The role for the LLM to assume. Possible values: 'user', 'tool', 'assistant' |
-| `scrubPII` | A boolean value to enable obfuscation of sensitive information present in the content field. Optional |
+| `scrubPII` | A boolean value to enable obfuscation of sensitive information present in the content field. Set this value if PII for this specific content needs to be scrubbed exclusively. Optional |
 
 ### Request content example
 
@@ -89,4 +89,4 @@ RESPONSE  = {
 ## Next steps
 
 - [Conversation API overview]({{< ref conversation-overview.md >}})
-- [Supported conversation components]({{< ref supported-conversation >}})
+- [Supported conversation components]({{< ref supported-conversation >}})