clean up formatting

app.py

@@ -79,12 +79,12 @@ chart_data = chart_data.merge(
 
 st.markdown(f"""
 #### Gene 1:
-* gene_id: [{gene_id_1}](https://fungidb.org/fungidb/app/record/gene/{gene_id_1})
-* description: {description_1}
+* *gene_id*: [{gene_id_1}](https://fungidb.org/fungidb/app/record/gene/{gene_id_1})
+* *description*: {description_1}
 
 #### Gene 2:
-* gene_id: [{gene_id_2}](https://fungidb.org/fungidb/app/record/gene/{gene_id_2})
-* description: {description_2}
+* *gene_id*: [{gene_id_2}](https://fungidb.org/fungidb/app/record/gene/{gene_id_2})
+* *description*: {description_2}
 """)
 
 chart = (
@@ -94,9 +94,9 @@ chart = (
        height = 750)
    .mark_circle()
    .encode(
-       x="expression_1",
-       y="expression_2",
-       color="study_accession",
+       x=alt.X("expression_1", title=f"{gene_id_1} Expression"),
+       y=alt.Y("expression_2", title=f"{gene_id_2} Expression"),
+       color=alt.COLOR("study_accession", title="Study Accession")
        tooltip=["run_accession", "study_accession"]))
 
 st.altair_chart(