fix typo in instructions

app.py

@@ -359,7 +359,7 @@ with gr.Blocks() as demo:
     
     gr.Markdown("# Step 2. Modify existing channels")
     gr.Markdown("After visualizing the individual channels, did you notice any that should not be included in the next steps? Remove those if so.")
-    gr.Markdown("Define channels designed to visualize nuclei. Optionally, define channels degisned to visualize membranes.")
+    gr.Markdown("Define channels designed to visualize nuclei. Optionally, define channels designed to visualize membranes.")
 
     with gr.Row(equal_height=True): # third row selects nuclei channels
         with gr.Column():
@@ -426,7 +426,7 @@ with gr.Blocks() as demo:
         # spatial_btn logic is in step6. This is populate the marker positive dropdown options
 
     gr.Markdown('# Step 6. Visualize positive markers')
-    gr.Markdown('Select two markers for side-by-side comparison to visualize their positive states in cells. This serves two purposes. 1) Validate the co-expression analysis results. High expression level should mean a similar number of positive markers within the two slides, whereas low expression level mean a large difference of in the number of positive markers. 2) Validate teh spatial interaction analysis results. High interaction means the two positive markers are in close proximity of each other (proximity is previously defined in `clustering threshold`), and vice versa.')
+    gr.Markdown('Select two markers for side-by-side comparison to visualize their positive states in cells. This serves two purposes. 1) Validate the co-expression analysis results. High expression level should mean a similar number of positive markers within the two slides, whereas low expression level mean a large difference of in the number of positive markers. 2) Validate the spatial interaction analysis results. High interaction means the two positive markers are in close proximity of each other (proximity is previously defined in `clustering threshold`), and vice versa.')
     
     with gr.Row(): # two marker positive visualization - dropdown options
         selected_marker1 = gr.Dropdown(label='Select one marker', info='Select a marker to visualize', interactive=True)