[LOG4J2-2420] fix parameter logging
diff --git a/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextFilter.java b/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextFilter.java
index 28f922a..02acf60 100644
--- a/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextFilter.java
+++ b/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextFilter.java
@@ -79,7 +79,7 @@
         if (servletRequest instanceof HttpServletRequest) {
             HttpServletRequest request = (HttpServletRequest) servletRequest;
             HttpServletResponse response = (HttpServletResponse) servletResponse;
-            logger.info("Starting request {}" + request.getRequestURI());
+            logger.info("Starting request {}", request.getRequestURI());
             try {
                 Enumeration headers = request.getHeaderNames();
                 while (headers.hasMoreElements()) {
diff --git a/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextHandlerInterceptor.java b/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextHandlerInterceptor.java
index 173461a..aed3124 100644
--- a/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextHandlerInterceptor.java
+++ b/log4j-audit/log4j-audit-api/src/main/java/org/apache/logging/log4j/audit/rest/RequestContextHandlerInterceptor.java
@@ -44,7 +44,7 @@
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object o) throws Exception {
-        logger.info("Starting request {}" + request.getRequestURI());
+        logger.info("Starting request {}", request.getRequestURI());
         Enumeration headers = request.getHeaderNames();
         while (headers.hasMoreElements()) {
             String name = (String) headers.nextElement();