lesson 26 nouns, and inter-lesson links

docs/howtostudykorean/unit-1/08-adverbs.md

@@ -1507,7 +1507,7 @@ Common Usages:
 
 - <TTS>청구서를 내다</TTS> = <span class="md spoiler">to pay a bill</span>
 
-Notes: 내다 can have many other meanings. See [Lesson 14](https://www.howtostudykorean.com/unit1/unit-1-lessons-9-16/lesson-14-korean-passive-verbs/) for more information.
+Notes: 내다 can have many other meanings. See [Lesson 14](./14-passive.md) for more information.
 
 Examples:
 
@@ -1528,7 +1528,7 @@ Common Usages:
 - <TTS>감동 받다</TTS> = <span class="md spoiler">to be impressed (literally “to receive an impression”)</span>
 - <TTS>존경 받다</TTS> = <span class="md spoiler">to be respected (literally “to receive respect”)</span>
 
-See [Lesson 14](https://www.howtostudykorean.com/unit1/unit-1-lessons-9-16/lesson-14-korean-passive-verbs/) for more information
+See [Lesson 14](./14-passive.md) for more information
 
 Examples: