diff --git a/1000-hours/sounds-of-american-english/1.4-articulators.md b/1000-hours/sounds-of-american-english/1.4-articulators.md
index 5e0d4862..250eafa7 100644
--- a/1000-hours/sounds-of-american-english/1.4-articulators.md
+++ b/1000-hours/sounds-of-american-english/1.4-articulators.md
@@ -57,4 +57,3 @@ The table below shows the relationship between the initial position of the tongu
 
 [^1]: https://www.youtube.com/watch?v=YHFx6O5x5Hw
 [^2]: https://www.youtube.com/watch?v=2N5q85G3ydk
-
diff --git a/1000-hours/sounds-of-american-english/2.1.2-tongue.md b/1000-hours/sounds-of-american-english/2.1.2-tongue.md
index 6f656371..5e617941 100644
--- a/1000-hours/sounds-of-american-english/2.1.2-tongue.md
+++ b/1000-hours/sounds-of-american-english/2.1.2-tongue.md
@@ -25,4 +25,4 @@ Here's a 3D illustration showcasing the activity of articulators when pronouncin
 Fortunately, when practicing American pronunciation, there's only one situation where we need to actively control and practice the position of the vocal cords - the r-colored vowel sound in `ə` (represented as `ɚ` and `ɝː`). Please refer to section [2.1.5](2.1.5-ə) for more information.
 
 [^1]: Figure adapted from *FUNDAMENTALS OF PHONETICS: a practical guide for students* 5th Edition, by Larry H. Small, 2019. Page 55
-[^2]: https://www.youtube.com/watch?v=wYwk07QM4rc
\ No newline at end of file
+[^2]: https://www.youtube.com/watch?v=wYwk07QM4rc