diff --git a/README.md b/README.md
index 9c150cfbb98b345c66ce7ea23397170f87824adb..191333f754413d22e4111fc4885af0c79f4af72d 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,9 @@ counts_healpix_full_clean_gt20MeV.fits
 
 exposure_healpix_full_clean_gt20MeV.fits
 
+Set runtime libraries (example from MPE, for healpix 3.60)
+
+setenv LD_LIBRARY_PATH /afs/ipp-garching.mpg.de/home/a/aws/propagate/c/cfitsio/3.47/cfitsio-3.47/build/lib:/afs/ipp-garching.mpg.de/home/a/aws/Healpix/Healpix_3.60_module_load_gcc/lib
 
 run command ( 1 deg smoothing, prefix=test):
 
@@ -160,3 +163,6 @@ History:
 
 20200530 added build for healpix-3.60 and newer cfitsio
 
+20200828 added setenv LD_LIBRARY_PATH for runtime libraries
+
+