Fix editorial error with semantic consequences
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/docs/architecture/psa-shared-memory.md b/docs/architecture/psa-shared-memory.md
index 890918c..3bb49d9 100644
--- a/docs/architecture/psa-shared-memory.md
+++ b/docs/architecture/psa-shared-memory.md
@@ -199,7 +199,7 @@
For all currently implemented AEAD modes, the associated data is only processed once to calculate an intermediate value of the authentication tag.
-**Design decision: for now, require AEAD drivers to read their input without a risk of read-read inconsistency**. Make a note to revisit this when we start supporting an SIV mode, at which point the dispatch layer shall copy the input for modes that are not known to be low-risk.
+**Design decision: for now, require AEAD drivers to read the additional data without a risk of read-read inconsistency**. Make a note to revisit this when we start supporting an SIV mode, at which point the dispatch layer shall copy the input for modes that are not known to be low-risk.
#### Message signature