diff --git a/index.html b/index.html
index 25ab8df..aaa338e 100644
--- a/index.html
+++ b/index.html
@@ -343,8 +343,8 @@
The PerformanceEntry interface
the first recorded timestamp of this performance metric.
duration
- The getter steps for the duration attribute are to return 0 if this's endTime
- is 0; otherwise this's endTime - this's startTime.
+ The getter steps for the duration attribute are to return 0 if this's end time
+ is 0; otherwise this's end time - this's startTime.
navigationId
@@ -354,7 +354,7 @@ The PerformanceEntry interface
When toJSON is called, run [[WebIDL]]'s default toJSON
steps.
- A PerformanceEntry has a {{DOMHighResTimeStamp}} endTime,
+
A PerformanceEntry has a {{DOMHighResTimeStamp}} end time,
initially 0.
To initialize a PerformanceEntry entry given a {{DOMHighResTimeStamp}} startTime,