Fix journal_entry to use correct section titles

journal_entry.py

@@ -53,7 +53,7 @@ def update(new_date):
 
     # Create new entry
     create_entry(previous, lines[lines.index(
-        "## Future Tasks\n")+1:], new_date)
+        "## Upcoming Tasks\n")+1:], new_date)
 
     # Modify MoC
     with open("./journal/map-of-contents.md", "a") as moc:
@@ -76,7 +76,7 @@ def create_entry(previous, prev_tasks, day):
              "## Tasks\n",
              ]
     lines.extend(prev_tasks)
-    lines.extend(("\n", "## Future Tasks\n\n", "- [ ]\n\n"))
+    lines.extend(("\n", "## Upcoming Tasks\n\n", "- [ ]\n\n"))
 
     with open(f"./journal/{day}.md", 'w') as file:
         file.writelines(lines)