diff --git a/changelogs/appendices/newsfragments/1627.clarification b/changelogs/appendices/newsfragments/1627.clarification
index ebb329875..44775447f 100644
--- a/changelogs/appendices/newsfragments/1627.clarification
+++ b/changelogs/appendices/newsfragments/1627.clarification
@@ -1 +1 @@
-Clarify timestamp specification with respect to leap seconds
+Clarify timestamp specification with respect to leap seconds.
diff --git a/content/_index.md b/content/_index.md
index 8a4790890..a8c538094 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -419,7 +419,7 @@ into the `m.` namespace.
 
 ### Timestamps
 
-Unless otherwise stated, are timestamps are the number of milliseconds
+Unless otherwise stated, timestamps are the number of milliseconds
 elapsed since the unix epoch (1970-01-01 00:00:00 UTC), but not counting
 leap seconds, so that each day is precisely 86,400,000 milliseconds.