diff --git a/exercises/practice/killer-sudoku-helper/.docs/instructions.md b/exercises/practice/killer-sudoku-helper/.docs/instructions.md
index fdafdca8fb..9f5cb1368f 100644
--- a/exercises/practice/killer-sudoku-helper/.docs/instructions.md
+++ b/exercises/practice/killer-sudoku-helper/.docs/instructions.md
@@ -74,7 +74,7 @@ You can also find Killer Sudokus in varying difficulty in numerous newspapers, a
 
 ## Credit
 
-The screenshots above have been generated using [F-Puzzles.com](https://www.f-puzzles.com/), a Puzzle Setting Tool by Eric Fox.
+The screenshots above have been generated using F-Puzzles.com, a Puzzle Setting Tool by Eric Fox.
 
 [sudoku-rules]: https://masteringsudoku.com/sudoku-rules-beginners/
 [killer-guide]: https://masteringsudoku.com/killer-sudoku/
diff --git a/exercises/practice/triangle/.docs/instructions.md b/exercises/practice/triangle/.docs/instructions.md
index 755cb8d19d..e9b053dcd3 100644
--- a/exercises/practice/triangle/.docs/instructions.md
+++ b/exercises/practice/triangle/.docs/instructions.md
@@ -14,7 +14,8 @@ A _scalene_ triangle has all sides of different lengths.
 For a shape to be a triangle at all, all sides have to be of length > 0, and the sum of the lengths of any two sides must be greater than or equal to the length of the third side.
 
 ~~~~exercism/note
-We opted to not include tests for degenerate triangles (triangles that violate these rules) to keep things simpler.
+_Degenerate triangles_ are triangles where the sum of the length of two sides is **equal** to the length of the third side, e.g. `1, 1, 2`.
+We opted to not include tests for degenerate triangles in this exercise.
 You may handle those situations if you wish to do so, or safely ignore them.
 ~~~~