diff --git a/content/rooms/fragments/v2-state-res.md b/content/rooms/fragments/v2-state-res.md
index f43b0a9e..b9e131f9 100644
--- a/content/rooms/fragments/v2-state-res.md
+++ b/content/rooms/fragments/v2-state-res.md
@@ -107,7 +107,7 @@ Now compare these two lists as follows.
* If such a *j* exists, then *ej* = *Pi* for some unique
index *i* ≥ 0. Otherwise set *i* = ∞, where ∞ is a sentinel value greater
than any integer.
-* In both cases, the *position of e in the mainline of P* is *i*.
+* In both cases, the *mainline position* of *e* is *i*.
The *mainline ordering based on* *P* of a set of events is the ordering,
from smallest to largest, using the following comparison relation on