diff --git a/docs/formatcaps.html.in b/docs/formatcaps.html.in
index c1bc2f58e1..dc9693eb37 100644
--- a/docs/formatcaps.html.in
+++ b/docs/formatcaps.html.in
@@ -29,9 +29,9 @@ BIOS you will see</p>
       ...
     &lt;/cpu&gt;
     &lt;power_management&gt;
-      &lt;S3/&gt;
-      &lt;S4/&gt;
-      &lt;Hybrid-Suspend/&gt;
+      &lt;suspend_mem/&gt;
+      &lt;suspend_disk/&gt;
+      &lt;suspend_hybrid/&gt;
     &lt;power_management/&gt;
   &lt;/host&gt;</span>
 
diff --git a/docs/schemas/capability.rng b/docs/schemas/capability.rng
index 6cf21885ae..3af95e92b1 100644
--- a/docs/schemas/capability.rng
+++ b/docs/schemas/capability.rng
@@ -112,17 +112,17 @@
     <element name='power_management'>
       <interleave>
         <optional>
-          <element name='S3'>
+          <element name='suspend_mem'>
             <empty/>
           </element>
         </optional>
         <optional>
-          <element name='S4'>
+          <element name='suspend_disk'>
             <empty/>
           </element>
         </optional>
         <optional>
-          <element name='Hybrid-Suspend'>
+          <element name='suspend_hybrid'>
             <empty/>
           </element>
         </optional>
diff --git a/src/conf/capabilities.c b/src/conf/capabilities.c
index a2ca46b33e..ecb1dcd8fe 100644
--- a/src/conf/capabilities.c
+++ b/src/conf/capabilities.c
@@ -37,7 +37,7 @@
 #define VIR_FROM_THIS VIR_FROM_CAPABILITIES
 
 VIR_ENUM_IMPL(virHostPMCapability, VIR_NODE_SUSPEND_TARGET_LAST,
-              "S3", "S4", "Hybrid-Suspend")
+              "suspend_mem", "suspend_disk", "suspend_hybrid");
 
 /**
  * virCapabilitiesNew: