diff --git a/lms/djangoapps/courseware/features/lti.py b/lms/djangoapps/courseware/features/lti.py
index 2091ac74cb..58de82ded6 100644
--- a/lms/djangoapps/courseware/features/lti.py
+++ b/lms/djangoapps/courseware/features/lti.py
@@ -50,7 +50,7 @@ def lti_is_rendered(_step, rendered_in):
         assert world.is_css_present('.link_lti_new_window')
         assert not world.is_css_present('.error_message')
         check_lti_popup()
-    else:  # incorrent rendered_in parametetr
+    else:  # incorrent rendered_in parameter
         assert False
 
 
diff --git a/lms/templates/lti.html b/lms/templates/lti.html
index ea3d78bbcf..7e6a3eac40 100644
--- a/lms/templates/lti.html
+++ b/lms/templates/lti.html
@@ -18,7 +18,7 @@
         name="ltiLaunchForm-${element_id}"
         class="ltiLaunchForm"
         method="post"
-        target=${"_blank" if open_in_a_new_page else "ltiLaunchFrame-${element_id}"}
+        target=${"_blank" if open_in_a_new_page else "ltiLaunchFrame-{0}".format(element_id)}
         encType="application/x-www-form-urlencoded"
     >