parition: improve uuid5 documentation wording

actions/image_partition_action.go

@@ -102,9 +102,10 @@ checks in boot time. By default is set to `true` allowing checks on boot.
 ext2, ext3, ext4 and xfs.
 
 - partuuid -- GPT partition UUID string.
-can generate version 5 UUID using custom template function {{ uuid5 $namespace $data }}
-$namespace should be a valid UUID and $data can be any string, to genearte reproducible
-UUID value pass fixed value of namespace and data.
+A version 5 UUID can be easily generated using the uuid5 template function
+{{ uuid5 $namespace $data }} $namespace should be a valid UUID and $data can be
+any string, to generate reproducible UUID value pass a fixed value of namespace
+and data.
 
 - extendedoptions -- list of additional filesystem extended options which need
 to be enabled for the partition.