stage renamed as "view" and was more explicit about where m.fs comes from

Author: dangunter

Diff for: docs/README.md

@@ -10,7 +10,7 @@ README for IDAES-UI docs
 # Change to the docs directory
 
 # Install the required packages
-pip install -r requirement.txt
+pip install -r requirements.txt
 
 # Install sphinx-autobuild
 # This is necessary for building a local development server to view live changes.

Diff for: docs/user/save-diagram/index.md

@@ -5,9 +5,9 @@
 IDAES UI allows you to preview your flowsheet diagram at any time while working on it by calling `export_flowsheet_diagram`.
 
 ### Usage:
-The export_flowsheet_diagram function is used to return the current stage of the flowsheet diagram at any time after you have initialized your model.
+The export_flowsheet_diagram function is used to return the current view of the flowsheet diagram at any time after you have initialized your model.
 * It can save the diagram to your preferred path or the default path.
-* It can display the current stage of the flowsheet diagram in a Jupyter Notebook.
+* It can display the current view of the flowsheet diagram in a Jupyter Notebook.
 
 ### Parameters:
 `export_flowsheet_diagram` takes three parameters:
@@ -16,18 +16,20 @@ The export_flowsheet_diagram function is used to return the current stage of the
 * `display`: Boolean, to determent if you want to review current flowsheet in jupyter notebook
 
 #### Let's go over it step by step.
-1. Import `export_flowsheet_diagram` function from `idaes_ui package`
+1. Import `export_flowsheet_diagram` function from `idaes_ui` package
     ```python
     from idaes_ui.fv.fsvis import export_flowsheet_diagram
     ```
+2. Create your model. Here we assume the model is called `m` and
+   the top-level flowsheet that you want to view is `m.fs`.
 
-2. After initializing your model, you should have `m.fs`.   
+3. After initializing your model, you should have `m.fs`.   
 Then, you can call `export_flowsheet_diagram`.
     ```python
     export_flowsheet_diagram(m.fs, '~/Download/my_flowsheet_diagram.svg', display=True)
     ```
 
-3. Then, you can see the flowsheet diagram's saved path in the log.
+4. Then, you can see the flowsheet diagram's saved path in the log.
 
 ### View flowsheet diagram
 1. To view the image, after calling `export_flowsheet_diagram`, you can visit the path shown in the log.