Index: doc/bibliography/pl.bib
===================================================================
--- doc/bibliography/pl.bib	(revision 3fad90750c3c2a7890d63fb446c131a81d8ef93e)
+++ doc/bibliography/pl.bib	(revision 247c8f3768259b1d898a1b667c1c05d222066aad)
@@ -1150,5 +1150,5 @@
     contributer = {a3moss@uwaterloo.ca},
     title = {Clang: a {C} language family frontend for {LLVM}},
-    howpublished = {href{https://clang.llvm.org/}{https://\-clang.llvm.org/}},
+    howpublished = {\href{https://clang.llvm.org/}{https://\-clang.llvm.org/}},
     note = {Accessed 2019-02-22}
 }