diff --git a/cvss40.js b/cvss40.js
index 2e026cc..0a24231 100644
--- a/cvss40.js
+++ b/cvss40.js
@@ -35,7 +35,8 @@ function roundToDecimalPlaces(value, decimalPlaces = 1) {
     // Step 3: Shift the decimal point back by dividing with the same factor
     const unshiftedValue = (roundedValue / factor);
 
-    // Step 4: Re-round the value with an additional buffering step to precent floating point rounding errors in previous step
+    // Step 4: Re-round the value with an additional buffering step to prevent floating point rounding errors in previous step
+    // eg. 8.6 - 7.15 will return 1.4499999999999993 rather than 1.45. When rounded to one decimal place, this will produce 1.4 which is not correct
     const reRoundedValue = Math.round(unshiftedValue * reRoundFactor) / reRoundFactor;
 
     // Step 5: Ensure the re-rounded has the correct number of decimal places