diff --git a/specs/pike/cinder-volume-revert-by-snapshot.rst b/specs/pike/cinder-volume-revert-by-snapshot.rst
index cbfd2fc2..0f7e53dc 100644
--- a/specs/pike/cinder-volume-revert-by-snapshot.rst
+++ b/specs/pike/cinder-volume-revert-by-snapshot.rst
@@ -230,7 +230,7 @@ Add a new revert action to volume action collections, the 'volume_id' and
     Error responses:
 
     1. 404, if the volume is not found.
-    2. 409, if volume and snapshot's status are not 'available'or
+    2. 409, if volume and snapshot's status are not 'available' or
        the sizes of volume and snapshot are not equal.
     3. 400, if the snapshot is not found or not belongs to the specified
        volume or is not the latest one.
@@ -357,4 +357,4 @@ References
 ==========
 
 _`[1]`: https://specs.openstack.org/openstack/manila-specs/specs/ocata/manila-share-revert-to-snapshot.html
-_`[2]`: https://wiki.openstack.org/wiki/CinderSupportMatrix
\ No newline at end of file
+_`[2]`: https://wiki.openstack.org/wiki/CinderSupportMatrix
diff --git a/specs/pike/support-get-volume-metadata-summary.rst b/specs/pike/support-get-volume-metadata-summary.rst
index 15b0a256..49c274e6 100644
--- a/specs/pike/support-get-volume-metadata-summary.rst
+++ b/specs/pike/support-get-volume-metadata-summary.rst
@@ -111,7 +111,7 @@ Work Items
 ----------
 
 * Add a new microversion.
-* Add volumes'metadata to the volume-summary API's response body.
+* Add volumes' metadata to the volume-summary API's response body.
 * Add client side support.
 
 Dependencies