there is no need for pdf after all

docs/howtostudykorean/unit-1/06-honorifics.md

@@ -1064,6 +1064,4 @@ This YouTube video will prompt you with Korean sentences to dictate using the co
 
 <YouTube id=XEKHLDYt5_k />
 
-[Click here for a free PDF of this lesson.]
-
-<PDF src="/HowtoStudyKorean-Unit-1-Lesson-6.pdf" />
+[Click here for a free PDF of this lesson.](https://www.howtostudykorean.com/wp-content/uploads/2015/08/HowtoStudyKorean-Unit-1-Lesson-6.pdf)

docs/howtostudykorean/unit-1/07-irregulars.md

@@ -1390,6 +1390,9 @@ For now, focus on the concepts that were introduced in this lesson. When you rea
 
 Everybody is confused when they learn these irregulars. Eventually you will reach a point where all of these will come natural to you. Whenever you learn a new word where the stem ends in ㅅ/ㄹ/ㅂ/ㄷ/르/ㅡ just make a mental note about how you should conjugate that word in the future. I don’t even have to think about these irregulars anymore because they just flow out naturally. If you can’t memorize them all right now, just try to understand them, which will allow you to recognize them later. Eventually, you will memorize them simply from using and hearing them so much.
 
+[Okay, I got it! Take me to the next lesson!](https://www.howtostudykorean.com/?page_id=297) Or,
+[Click here for a workbook to go along with this lesson.](https://www.howtostudykorean.com/workbooks#Unit118)
+
 ## Resources
 
 These videos are available to reinforce this lesson:
@@ -1410,9 +1413,4 @@ These videos are available to reinforce this lesson:
 
 <YouTube id="FCn6SLVfruA" />
 
-[Click here for a free PDF of this lesson.]
-
-<PDF src="/HowtoStudyKorean-Unit-1-Lesson-7.pdf" />
-
-[Okay, I got it! Take me to the next lesson!](https://www.howtostudykorean.com/?page_id=297) Or,
-[Click here for a workbook to go along with this lesson.](https://www.howtostudykorean.com/workbooks#Unit118)
+[Click here for a free PDF of this lesson.](https://www.howtostudykorean.com/wp-content/uploads/2015/08/HowtoStudyKorean-Unit-1-Lesson-7.pdf)