Test-configuration.md

@@ -16,7 +16,7 @@ Here the description of the fields:
 *    `comparisons` (list of {}): list of the comparisons. Each item is a dictionnary. Fields of each item are:  
      *    `file` (string): file to compare
      *    `method` (string): comparison method ("between `absolute`, `relative`, `power`)
-     *    `tolerance` (float/int/string): tolerance value associated to the method. Absolute and relative require a float, power an integer. String are converted.
+     *    `tolerance` (float/int/string): tolerance value associated to the method. Absolute and relative require a float, power an integer. Strings are converted.
 
 Here, you will find an example of json file for tests: