docs: Clarify image editing tool usage and parameter descriptions in image generation documentation

pages/docs/features/image_gen.mdx

@@ -60,14 +60,14 @@ The agent decides which tool to use based on the context:
 - Image editing relies on image IDs, which are retained in the chat history.
 - When files are uploaded to the current request, their image IDs are added to the context of the LLM before any tokens are generated.
 - Previously referenced or generated image IDs can be used for editing, as long as they remain within the context window.
-- You can include any relevant image IDs in the `image_ids` array when calling the image editing tool.
+- The LLM can include any relevant image IDs in the `image_ids` array when calling the image editing tool.
 - You can also attach previously uploaded images from the side panel without needing to upload them again.
   - This also has the added benefit of providing a vision model with the image context, which can be useful for informing the `prompt` for the image editing tool.
 
 ### Parameters
 
 #### Image Generation
-• **prompt** – your description (required)  
+• **prompt** – text description (required)  
 • **size** – `auto` (default), `1024x1024` (square), `1536x1024` (landscape), or `1024x1536` (portrait)  
 • **quality** – `auto` (default), `high`, `medium`, or `low`  
 • **background** – `auto` (default), `transparent`, or `opaque` (transparent requires PNG or WebP format)
@@ -75,7 +75,7 @@ The agent decides which tool to use based on the context:
 #### Image Editing
 
 • **image_ids** – array of image IDs to use as reference for editing (required)
-• **prompt** – your description of the changes (required)  
+• **prompt** – text description of the changes (required)  
 • **size** – `auto` (default), `1024x1024`, `1536x1024`, `1024x1536`, `256x256`, or `512x512`  
 • **quality** – `auto` (default), `high`, `medium`, or `low`
 
@@ -165,8 +165,8 @@ Run images entirely on your own machine or server.
 Point LibreChat at any Automatic1111 (or compatible) endpoint and you're set.
 
 ### Parameters
-• **prompt** – Detailed keywords describing what you want in the image (required)  
-• **negative_prompt** – Keywords describing what you want to exclude from the image (required)
+• **prompt** – Detailed keywords describing desired elements in the image (required)  
+• **negative_prompt** – Keywords describing elements to exclude from the image (required)
 
 The Stable Diffusion implementation uses these default parameters:
 - cfg_scale: 4.5
@@ -286,7 +286,7 @@ All generated images are:
 All image generation tools support proxy configuration through the `PROXY` environment variable:
 
 ```bash
-PROXY=http://your-proxy-url:port
+PROXY=http://proxy-url:port
 ```
 
 ## Error Handling
@@ -308,7 +308,7 @@ Though you can customize the prompts for [OpenAI Image Tools](#advanced-configur
 2. Add **composition** and **camera / medium** ("wide-angle shot of…", "watercolour…").  
 3. Mention **lighting & mood** ("golden hour", "dramatic shadows").  
 4. Finish with **detail keywords** (textures, colours, expressions).  
-5. Keep negatives positive—describe what you *want*, not what to avoid.
+5. Keep negatives positive—describe what should be included, not what to avoid.
 
 Example: