Fix documentation for 'secure-store-lib'

Release-Notes: skip
Change-Id: If20753b0b474e5e8447cc5d794f64016e2a449a5
diff --git a/Documentation/pgm-SwitchSecureStore.txt b/Documentation/pgm-SwitchSecureStore.txt
index 47de1be..818ce2b 100644
--- a/Documentation/pgm-SwitchSecureStore.txt
+++ b/Documentation/pgm-SwitchSecureStore.txt
@@ -7,7 +7,7 @@
 [verse]
 --
 _java_ -jar gerrit.war _SwitchSecureStore_
-  [--new-secure-store-lib]
+  [--new-secure-store-lib=<PATH_TO_JAR>]
 --
 
 == DESCRIPTION
diff --git a/Documentation/pgm-init.txt b/Documentation/pgm-init.txt
index 9f592486..08adbd0 100644
--- a/Documentation/pgm-init.txt
+++ b/Documentation/pgm-init.txt
@@ -16,7 +16,7 @@
   [--list-plugins]
   [--install-plugin=<PLUGIN_NAME>]
   [--install-all-plugins]
-  [--secure-store-lib]
+  [--secure-store-lib=<PATH_TO_JAR>]
   [--dev]
   [--skip-all-downloads]
   [--skip-download=<LIBRARY_NAME>]