Apply suggestions from oscar code review

Co-authored-by: Oscar Spencer <[email protected]>

stdlib/number.gr

@@ -1122,7 +1122,7 @@ provide let tan = (radians: Number) => {
 // Math.gamma implemented using the Lanczos approximation
 // https://en.wikipedia.org/wiki/Lanczos_approximation
 /**
- * Computes the gamma function of a value using Lanczos approximation.
+ * Computes the gamma function of a value using the Lanczos approximation.
  *
  * @param z: The value to interpolate
  * @returns The gamma of the given value
@@ -1173,7 +1173,7 @@ provide let rec gamma = z => {
 }
 
 /**
- * Computes the product of consecutive integers for an integer input and computes the gamma function for non-integer inputs.
+ * Computes the factorial of an integer input or the gamma function of a non-integer input.
  *
  * @param n: The value to factorialize
  * @returns The factorial of the given value