Update 708-math-acosh.markdown

Joe7M · web-flow · commit fc33b63081c0 · 2023-09-18T13:55:37.000+02:00
diff --git a/_build/reference/708-math-acosh.markdown b/_build/reference/708-math-acosh.markdown
@@ -1,14 +1,16 @@
 # ACOSH
 
-> ACOSH (x)
+> f = ACOSH (x)
 
-Inverse hyperbolic cosine
+Inverse hyperbolic cosine of `x`
+
+### Example
 
 ```
 a = cosh(pi)
-print a
+print a             ' Output: 11.59195327552152
 
 b = acosh(a)
-print b
+print b             ' Output: 3.14159265358979
 ```
 
