diff --git a/manifests/api.pp b/manifests/api.pp
index 21ab0c25..5eba31a2 100644
--- a/manifests/api.pp
+++ b/manifests/api.pp
@@ -40,7 +40,7 @@
 #
 # [*log_dir*]
 #   (optional) directory to which trove logs are sent.
-#   If set to boolean false, it will not log to any directory.
+#   If set to $::os_service_default, it will not log to any directory.
 #   Defaults to undef
 #
 # [*use_syslog*]
diff --git a/manifests/conductor.pp b/manifests/conductor.pp
index 51983d71..35cafc79 100644
--- a/manifests/conductor.pp
+++ b/manifests/conductor.pp
@@ -27,7 +27,7 @@
 #
 # [*log_dir*]
 #    (optional) directory to which trove logs are sent.
-#    If set to boolean false, it will not log to any directory.
+#    If set to $::os_service_default, it will not log to any directory.
 #    Defaults to '/var/log/trove'
 #
 # [*use_syslog*]
diff --git a/manifests/guestagent.pp b/manifests/guestagent.pp
index 05167661..88e503b4 100644
--- a/manifests/guestagent.pp
+++ b/manifests/guestagent.pp
@@ -27,7 +27,7 @@
 #
 # [*log_dir*]
 #    (optional) directory to which trove logs are sent.
-#    If set to boolean false, it will not log to any directory.
+#    If set to $::os_service_default, it will not log to any directory.
 #    Defaults to '/var/log/trove'
 #
 # [*use_syslog*]
diff --git a/manifests/logging.pp b/manifests/logging.pp
index de38ed14..db2a239b 100644
--- a/manifests/logging.pp
+++ b/manifests/logging.pp
@@ -22,7 +22,7 @@
 #
 #  [*log_dir*]
 #    (optional) Directory where logs should be stored.
-#    If set to boolean false, it will not log to any directory.
+#    If set to $::os_service_default, it will not log to any directory.
 #    Defaults to '/var/log/trove'
 #
 #  [*log_file*]
diff --git a/manifests/taskmanager.pp b/manifests/taskmanager.pp
index 415f0f7e..710c0131 100644
--- a/manifests/taskmanager.pp
+++ b/manifests/taskmanager.pp
@@ -44,7 +44,7 @@
 #
 # [*log_dir*]
 #   (optional) directory to which trove logs are sent.
-#   If set to boolean false, it will not log to any directory.
+#   If set to $::os_service_default, it will not log to any directory.
 #   Defaults to '/var/log/trove'
 #
 # [*use_syslog*]
diff --git a/releasenotes/notes/fix_log_dir_documentation-a8bb71233fba1e9e.yaml b/releasenotes/notes/fix_log_dir_documentation-a8bb71233fba1e9e.yaml
new file mode 100644
index 00000000..25e070f3
--- /dev/null
+++ b/releasenotes/notes/fix_log_dir_documentation-a8bb71233fba1e9e.yaml
@@ -0,0 +1,3 @@
+---
+fixes:
+  - Fixed documentation for log_dir parameter