Update cheatsheet.en.md

12.temporary_ins/69.waves/10.n1/20.overview/cheatsheet.en.md

@@ -196,14 +196,14 @@ _Sometimes, all it takes is moving at the right speed for the world to draw you
 ! </details>
 
 
-!!!!! <details markdown=1><summary><b>The Shared Little Dictionary :</b></summary>
+!!!!! <details markdown=1><summary><b>The Shared Little Dictionary</b></summary>
 !!!!!
 !!!!! * *Wake*
 !!!!! 1. The trail left on the water’s surface by a boat or vessel as it moves.
 !!!!! 2. By analogy: the mark left by the passage of a person, animal, or object; a path or trajectory to follow.
 !!!!! </details>
 
-!!!!! <details markdown=1><summary><b>The Physicist’s Little Dictionary :</b></summary>
+!!!!! <details markdown=1><summary><b>The Physicist’s Little Dictionary</b></summary>
 !!!!!
 !!!!! To be completed
 !!!!! </details>