Where I've noticed, rephrase the note to read more fluently.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
---
 qapi/block-core.json | 4 ++--
 qga/qapi-schema.json | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/qapi/block-core.json b/qapi/block-core.json
index cacedfb771c..9ef23ec02ae 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -6048,9 +6048,9 @@
 #
 # @name: the name of the internal snapshot to be created
 #
-# .. note:: In transaction, if @name is empty, or any snapshot matching
+# .. note:: In a transaction, if @name is empty or any snapshot matching
 #    @name exists, the operation will fail.  Only some image formats
-#    support it, for example, qcow2, and rbd.
+#    support it; for example, qcow2, and rbd.
 #
 # Since: 1.7
 ##
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 57598331c5c..1273d85bb5f 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -480,7 +480,7 @@
 #
 # Returns: Number of file systems thawed by this call
 #
-# .. note:: If return value does not match the previous call to
+# .. note:: If the return value does not match the previous call to
 #    guest-fsfreeze-freeze, this likely means some freezable filesystems
 #    were unfrozen before this call, and that the filesystem state may
 #    have changed before issuing this command.
-- 
2.45.0