Apply review suggestion by @garloff

Co-authored-by: Kurt Garloff <[email protected]>
Signed-off-by: Matthias Büchse <[email protected]>

Author: mbuechse

Standards/scs-0102-v1-image-metadata.md

@@ -59,7 +59,7 @@ The following properties are considered mandatory:
 
 **Note**: Disk sizes tend to be measured in GB = 10^9 and not GiB = 2^30 in the disk industry, but OpenStack uses GiB.
 
-The value given vor `min_ram` MUST be sufficient for the VM to boot and survive for 10 s.
+The value given vor `min_ram` MUST be sufficient for the VM to boot and survive (for at least 10 s).
 
 The following property is recommended: