diff --git a/src/main/resources/org/jenkinsci/plugins/p4/build/P4EnvironmentContributor/buildEnv.properties b/src/main/resources/org/jenkinsci/plugins/p4/build/P4EnvironmentContributor/buildEnv.properties
index 7705c117..c572991d 100644
--- a/src/main/resources/org/jenkinsci/plugins/p4/build/P4EnvironmentContributor/buildEnv.properties
+++ b/src/main/resources/org/jenkinsci/plugins/p4/build/P4EnvironmentContributor/buildEnv.properties
@@ -1,4 +1,4 @@
-P4_CHANGELIST.blurb=The last Perforce changelist number included in the populated workspace.
+P4_CHANGELIST.blurb=The last Perforce changelist number included in the populated workspace, or the latest changelist number across the Perforce server if no changelist is found in the workspace.
 P4_CLIENT.blurb=The Perforce client workspace name.
 P4_PORT.blurb=The Perforce server connection port (e.g. perforce:1666).
 P4_ROOT.blurb=The Perforce client workspace root path.
@@ -9,4 +9,4 @@ P4_REVIEW_TYPE.blurb=The Swarm Review Type ('shelved' or 'committed').
 P4_INCREMENTAL.blurb=Build only oldest changelist returned by polling task.
 P4_CLEANWORKSPACE.blurb="If true, force sync and update have list"
 HUDSON_CHANGELOG_FILE.blurb=Location of the changelog file.
-JENKINSFILE_PATH.blurb=Location of the Jenkinsfile in depot.
\ No newline at end of file
+JENKINSFILE_PATH.blurb=Location of the Jenkinsfile in depot.