diff --git a/src/main/resources/winstone/LocalStrings.properties b/src/main/resources/winstone/LocalStrings.properties
index 17af6b07..b1cfaff6 100644
--- a/src/main/resources/winstone/LocalStrings.properties
+++ b/src/main/resources/winstone/LocalStrings.properties
@@ -117,6 +117,7 @@ Launcher.UsageInstructions.Options=\
 \   --sessionEviction        = set the session eviction timeout for idle sessions in seconds. Default value is 180. -1 never evict, 0 evict on exit\n\
 \   --mimeTypes=ARG          = define additional MIME type mappings. ARG would be EXT=MIMETYPE:EXT=MIMETYPE:...\n\
 \                              (e.g., xls=application/vnd.ms-excel:wmf=application/x-msmetafile)\n\
+\   --requestHeaderSize=N    = set the maximum size in bytes of the request header. Default is 8192.\n\
 \   --maxParamCount=N        = set the max number of parameters allowed in a form submission to protect\n\
 \                              against hash DoS attack (oCERT #2011-003). Default is 10000.\n\
 \   --useJmx                 = Enable Jetty Jmx\n\