Update README.md

Author: dpscience

README.md

@@ -47,7 +47,7 @@ __channelResolutionInPs     = 50.0  # >= 10 ... Note: this value is internally l
 __bkgrd_startIndex          = 800;
 __bkgrd_count               = 190; # number of channels with respect to the 'startIndex'
 ```
-2. execute <b>pyDCONTINPALS.py</b><br>
+2. execute <b>pyDCONTINPALS.py</b> (note: all binaries must be placed into the same folder!)<br>
 
 3. finished. You should see the results as shown above in the figure if you are running in the demo mode <i>(__demoMode = True)</i>.
 
@@ -57,12 +57,12 @@ Before citing this program <b>pyDCONTINPALS</b> you need at least to cite the in
 
 [R.B. Gregory, Y. Zhu, Analysis of positron annihilation lifetime data by numerical laplace inversion with the program CONTIN, Nucl. Instruments Methods Phys. Res. Sect. A Accel. Spectrometers, Detect. Assoc. Equip. 290 (1990) 172–182. doi:10.1016/0168-9002(90)90358-D.](https://doi.org/10.1016/0168-9002(90)90358-D).
 
-You can cite all versions of pyDCONTINPALS by using the <b>DOI XX.XXX/zenodo.XXXXXX</b>. This DOI represents all versions, and will always resolve to the latest one.<br>
+You can cite all versions of pyDCONTINPALS by using the <b>DOI 10.5281/zenodo.3665474</b>. This DOI represents all versions, and will always resolve to the latest one.<br>
 
-[![DOI](XXX)](XXX)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3665474.svg)](https://doi.org/10.5281/zenodo.3665475)
 
 ## v1.x
-pyDCONTINPALS v1.0:<br>[![DOI](XXX)](XXX)<br>
+pyDCONTINPALS v1.0:<br>[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.3665475.svg)](https://doi.org/10.5281/zenodo.3665475)<br>
 
 # Requirements
 - [NumPy](http://www.numpy.org/)