diff --git a/man/aminoacyl.Rd b/man/aminoacyl.Rd
index ed863d78..ca1487c1 100644
--- a/man/aminoacyl.Rd
+++ b/man/aminoacyl.Rd
@@ -19,8 +19,7 @@
  } 
 }
 \source{
- Data prepared by D. Charif \email{Delphine.Charif@versailles.inra.fr} starting from:\cr
- \url{http://www.expasy.org/sprot/}
+ Data prepared by D. Charif \email{Delphine.Charif@versailles.inra.fr}
 }
 \references{
 Chiapello H., Olivier E., Landes-Devauchelle C., Nitschké P. and Risler J.L (1999) 
diff --git a/man/kcponds.Rd b/man/kcponds.Rd
index e57943ec..c7ba212b 100644
--- a/man/kcponds.Rd
+++ b/man/kcponds.Rd
@@ -30,8 +30,7 @@ divMI (diversity macroinvertebrates)
 
 \source{
   Cottenie, K. (2002) Local and regional processes in a zooplankton metacommunity. 
-  PhD, Katholieke Universiteit Leuven, Leuven, Belgium. \cr
-  \url{https://bio.kuleuven.be/eco/phdkarlcottenie.pdf}
+  PhD, Katholieke Universiteit Leuven, Leuven, Belgium.
 }
 
 \examples{