diff --git a/README.variables b/README.variables
index c8a66c71e6e5d0daccd46ad5468ccd19d349d0b0..8c2d83cb9bbcf6b14e11c01e48c651e22098ddaa 100755
--- a/README.variables
+++ b/README.variables
@@ -36,6 +36,7 @@ ${EXTEN}	Current extension
 ${CONTEXT}      Current context
 ${PRIORITY}	Current priority
 ${CHANNEL}	Current channel name
+${ENV(VAR)}	Environmental variable VAR
 ${EPOCH}	Current unix style epoch
 ${DATETIME}	Current date time in the format: YYYY-MM-DD_HH:MM:SS
 
diff --git a/doc/README.variables b/doc/README.variables
index c8a66c71e6e5d0daccd46ad5468ccd19d349d0b0..8c2d83cb9bbcf6b14e11c01e48c651e22098ddaa 100755
--- a/doc/README.variables
+++ b/doc/README.variables
@@ -36,6 +36,7 @@ ${EXTEN}	Current extension
 ${CONTEXT}      Current context
 ${PRIORITY}	Current priority
 ${CHANNEL}	Current channel name
+${ENV(VAR)}	Environmental variable VAR
 ${EPOCH}	Current unix style epoch
 ${DATETIME}	Current date time in the format: YYYY-MM-DD_HH:MM:SS