evaluation - different image sizes

sample_eval.md

@@ -2,13 +2,13 @@
 Quick evaluation guide
 
 
- * Open the sample of interest<br>
-<img src="gifs/opening_measurement.gif"  width="500" ><br>
+ * Open the sample of interest by double clicking onto it.<br>
+<img src="gifs/opening_measurement.gif"><br>
 
  * select peaks which you want to integrate<br>
-<img src="gifs/peak_selection.gif"  width="500" ><br>
-<img src="gifs/multiple_peaks.gif"  width="500" ><br>
+<img src="gifs/peak_selection.gif"><br>
+<img src="gifs/multiple_peaks.gif"><br>
 
  * if you click on an integrated peak, you see a M/Z spectrum of the scan which
    took place at the maximum of the peak<br>
-<img src="gifs/show_spectra.gif"  width="500" ><br>
+<img src="gifs/show_spectra.gif"><br>