Update concepts/recursion/about.md

Co-authored-by: Yrahcaz <74512479+Yrahcaz7@users.noreply.github.com>

Author: BethanyG

concepts/recursion/about.md

@@ -3,7 +3,7 @@
 Recursion is a way to repeatedly execute code inside a function through the function calling itself.
 Functions that call themselves are known as _recursive_ functions.
 Recursion can be viewed as another way to loop/iterate. 
-And like looping, a Boolean expression or `True / False` test is used to determine when to stop the recursive execution.
+And like looping, a Boolean expression or `True`/`False` test is used to determine when to stop the recursive execution.
 
 _Unlike_ looping, recursion without termination in Python cannot not run infinitely.
 Values used in each function call are placed in their own frame on the Python interpreter stack.