diff --git a/Perf-measure.Rmd b/Perf-measure.Rmd
index 10d5742f9..37a9d9f58 100644
--- a/Perf-measure.Rmd
+++ b/Perf-measure.Rmd
@@ -5,7 +5,7 @@
 source("common.R")
 
 num <- function(x) format(round(x), big.mark = ",", scientific = FALSE)
-ns <- function(x) paste0(num(round(unclass(x) * 1e9, -1)), " ns")
+ns <- function(x) paste0(num(round(unclass(x) * 1e9, -1)), " ns")fdgjbfgb
 ```
 
 ## Introduction