Update share_btn.py

share_btn.py

@@ -68,7 +68,7 @@ share_js = """async () => {
     
     const descriptionMd = `
 #### Image init:
-<imr src="${urlInputImg}" width="42%" />
+<img src="${urlInputImg}" width="42%" />
 
 #### MS Image2Video result:
 ${dataOutputVid}