[Edit] PHP: exp() (#6862)

Author: Sriparno08

content/php/concepts/math-functions/terms/exp/exp.md

@@ -1,6 +1,6 @@
 ---
 Title: 'exp()'
-Description: 'Returns e raised to the power of x.'
+Description: 'Calculates the mathematical constant e to the power of the provided number.'
 Subjects:
   - 'Computer Science'
   - 'Web Design'