diff --git a/hadoop-common-project/hadoop-common/src/site/markdown/CommandsManual.md b/hadoop-common-project/hadoop-common/src/site/markdown/CommandsManual.md
index ef76810d98..696848b3bc 100644
--- a/hadoop-common-project/hadoop-common/src/site/markdown/CommandsManual.md
+++ b/hadoop-common-project/hadoop-common/src/site/markdown/CommandsManual.md
@@ -223,6 +223,12 @@ Usage: `hadoop CLASSNAME`
 
 Runs the class named `CLASSNAME`. The class must be part of a package.
 
+### `envvars`
+
+Usage: `hadoop envvars`
+
+Display computed Hadoop environment variables.
+
 Administration Commands
 -----------------------
 
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/site/markdown/MapredCommands.md b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/site/markdown/MapredCommands.md
index f312d31c5f..6b7de2b1cf 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/site/markdown/MapredCommands.md
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/site/markdown/MapredCommands.md
@@ -140,6 +140,12 @@ Prints the version.
 
 Usage: `mapred version`
 
+### `envvars`
+
+Usage: `mapred envvars`
+
+Display computed Hadoop environment variables.
+
 Administration Commands
 -----------------------
 
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
index 1d51b1f6c9..56096f5c03 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/YarnCommands.md
@@ -166,6 +166,12 @@ Usage: `yarn version`
 
 Prints the Hadoop version.
 
+### `envvars`
+
+Usage: `yarn envvars`
+
+Display computed Hadoop environment variables.
+
 Administration Commands
 -----------------------