diff --git a/doc/api/v8.md b/doc/api/v8.md
index 4761355141d2c2..f24e6eaa5c8e9a 100644
--- a/doc/api/v8.md
+++ b/doc/api/v8.md
@@ -6,7 +6,7 @@ This module exposes events and interfaces specific to the version of [V8][]
 built with Node.js.  These interfaces are subject to change by upstream and are
 therefore not covered under the stability index.
 
-## getHeapStatistics()
+## v8.getHeapStatistics()
 
 Returns an object with the following properties
 
@@ -21,7 +21,7 @@ Returns an object with the following properties
 }
 ```
 
-## getHeapSpaceStatistics()
+## v8.getHeapSpaceStatistics()
 
 Returns statistics about the V8 heap spaces, i.e. the segments which make up
 the V8 heap. Order of heap spaces nor availability of a heap space can be
@@ -70,7 +70,7 @@ Example result:
 ]
 ```
 
-## setFlagsFromString(string)
+## v8.setFlagsFromString(string)
 
 Set additional V8 command line flags.  Use with care; changing settings
 after the VM has started may result in unpredictable behavior, including