Fix formatted strings
diff --git a/rhelp/org.eclipse.statet.rhelp.core/src/org/eclipse/statet/rhelp/core/update/REnvIndexUpdater.java b/rhelp/org.eclipse.statet.rhelp.core/src/org/eclipse/statet/rhelp/core/update/REnvIndexUpdater.java
index 875cc79..33ffa3d 100644
--- a/rhelp/org.eclipse.statet.rhelp.core/src/org/eclipse/statet/rhelp/core/update/REnvIndexUpdater.java
+++ b/rhelp/org.eclipse.statet.rhelp.core/src/org/eclipse/statet/rhelp/core/update/REnvIndexUpdater.java
@@ -319,7 +319,7 @@
 			
 			if (DEBUG) {
 				this.index.log(new InfoStatus(BUNDLE_ID,
-						String.format("Required time for update: keywords= $1%sms, packages= $2%sms.",
+						String.format("Required time for update: keywords= %1$sms, packages= %2$sms.",
 								tKeywords / 1_000_000, tPackages / 1_000_000 )));
 			}