Update README.md

Author: wischhof

stimuli-params/README.md

@@ -9,7 +9,7 @@ trigger image are required. These can easily be created via the QoEval
 GUI: Simply view a recorded stimulus video and capture the start and end
 images.
 
-## Sub Folder *variable_rate*
+## Sub Folder *variable_throughput*
 This folder contains CSV files which specify time-varant QoS parameters.
 These are only used for stimuli which enable the time-variant QoS feature.
 
@@ -18,4 +18,4 @@ The file format of the CSV files and the corresponding parser need to be
 refactored: The current file format is historically based on an automated
 export from an Excel file and therefore hard to read. Since we do not use
 Excel for specifying parameter files anymore, we should refactor the parameter
-file to use a more self-explaining and simpler-to-parse format.
+file to use a more self-explaining and simpler-to-parse format.