fixed typo

journalmarks/journalmarks.py

@@ -145,7 +145,7 @@ def index():
 @app.route('/create', methods=['POST'])
 @login_required
 def create():
-    if len(request.json) != 1 or 'content' not in reqjest.json:
+    if len(request.json) != 1 or 'content' not in request.json:
         return ('invalid fields', 400, None)
     content = request.json['content']