Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision 3ada8ae8221148e410bf581a2a73ad6b15798d78)
+++ doc/bibliography/pl.bib	(revision 4200b7ebbc9c493ce902302e4f0925eae3da7c06)
@@ -1673,5 +1673,5 @@
     address	= {Waterloo Ontario, Canada},
     month	= sep,
-    year	= 2018,
+    year	= 2020,
     note	= {\href{https://plg.uwaterloo.ca/~usystem/pub/uSystem/uC++.pdf}{https://\-plg.uwaterloo.ca/\-$\sim$usystem/\-pub/\-uSystem/uC++.pdf}},
 }
@@ -4552,6 +4552,5 @@
     author	= {Martin Karsten},
     title	= {{libfibre:~User-Level Threading Runtime}},
-    howpublished= {\href{https://git.uwaterloo.ca/mkarsten/libfibre}
-    		  {https://\-git.uwaterloo.ca/\-mkarsten/\-libfibre}},
+    howpublished= {\href{https://git.uwaterloo.ca/mkarsten/libfibre}{https://\-git.uwaterloo.ca/\-mkarsten/\-libfibre}},
     note	= {[Online; accessed 2020-04-15]},
 }