lesson 26 nouns, and inter-lesson links

docs/howtostudykorean/unit-1/24-before-after-since-within.md

@@ -1228,7 +1228,7 @@ One quick thing. In a lot of the example sentences above, I placed the \~기 전
 - 저는 (어제) 은행에 갔어요 = <span class="md spoiler">I went to the bank (yesterday)</span>
 - 저는 (친구가 오기 전에) 은행에 갔어요 = <span class="md spoiler">I went to the bank (before my friend came)</span>
 
-Therefore, although I often place this indication of time before the clause, it doesn’t always need to be there, and it is the discretion of the speaker that will decide exactly where to place it. Being able to create a single unit from a clause like this is a quick introduction to what you will begin learning in [Lesson 26](https://www.howtostudykorean.com/unit-2-lower-intermediate-korean-grammar/unit-2-lessons-26-33/lesson-26/) – where you will be able to manipulate entire clauses to describe nouns in the middle of sentences.
+Therefore, although I often place this indication of time before the clause, it doesn’t always need to be there, and it is the discretion of the speaker that will decide exactly where to place it. Being able to create a single unit from a clause like this is a quick introduction to what you will begin learning in [Lesson 26](../unit-2/26-describing-nouns-with-verbs.md) – where you will be able to manipulate entire clauses to describe nouns in the middle of sentences.
 
 ## Since: \~ㄴ/은 이래로