diff --git a/qapi/crypto.json b/qapi/crypto.json
index 1ec54c15ca..8e0b4764e5 100644
--- a/qapi/crypto.json
+++ b/qapi/crypto.json
@@ -357,8 +357,7 @@
 #                 password to use to retrieve current master key.
 #                 Defaults to the same secret that was used to open the image
 #
-#
-# Since 5.1
+# Since: 5.1
 ##
 { 'struct': 'QCryptoBlockAmendOptionsLUKS',
   'data': { 'state': 'QCryptoBlockLUKSKeyslotState',
diff --git a/qapi/machine.json b/qapi/machine.json
index 92480d4044..c9bdae40eb 100644
--- a/qapi/machine.json
+++ b/qapi/machine.json
@@ -972,7 +972,7 @@
 # preconfigure stage to configure numa mapping before initializing
 # machine.
 #
-# Since 3.0
+# Since: 3.0
 ##
 { 'command': 'set-numa-node', 'boxed': true,
   'data': 'NumaOptions',
diff --git a/qapi/misc.json b/qapi/misc.json
index b83cc39029..f8a9feda30 100644
--- a/qapi/misc.json
+++ b/qapi/misc.json
@@ -188,7 +188,7 @@
 # Features:
 # @unstable: This command is experimental.
 #
-# Since 3.0
+# Since: 3.0
 #
 # Returns: nothing
 #
diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json
index 4d8e506c9e..f989597b0c 100644
--- a/qga/qapi-schema.json
+++ b/qga/qapi-schema.json
@@ -950,7 +950,7 @@
 #         by device mapper
 # @smart: disk smart information (Since 7.1)
 #
-# Since 5.2
+# Since: 5.2
 ##
 { 'struct': 'GuestDiskInfo',
   'data': {'name': 'str', 'partition': 'bool', '*dependencies': ['str'],