diff --git a/README.md b/README.md
index 6c1b926..7422dc5 100644
--- a/README.md
+++ b/README.md
@@ -19,8 +19,8 @@ The `plotting.py` script plots the data of a given csv file.
 
 ### Usage
 
-Execute the command: `.python/bin/python plotting.csv path/to/results.csv`.
+Execute the command: `.python/bin/python plotting.csv path/to/results_1.csv [path/to/results_2.csv...]`.
 
 ### Output
 
-It creates a `bandwidth.svg` and a `ping_jitter.svg`, with the plot for up and down and the plot for ping and jitter respectively. The x-Axis shows the index of the data pairs (line number in csv - 2) and the y-Axis shows Mbps or ms.
+It creates a `bandwidth.svg` and a `ping_jitter.svg`, with the plot for up and down and the plot for ping and jitter respectively. The x-Axis shows the the time when the data was recorded and the y-Axis shows Mbps or ms.