Just use the word.

Author: janpgit

synchro.tex

@@ -249,7 +249,7 @@
 critical section, the first can enter how many times it wants
 (and ifdef([[[NOSPELLCHECK]]], [[[vice versa]]])).
 Dekker's solution is not trivial, compare it with 16 year younger
-Peterson solution, e.g. on \texttt{en.wikipedia.org}.
+Peterson solution, e.g. on Wikipedia.
 \item We are not going to deal with theoretical algorithms or compare hardware
 mechanisms used by the kernel. Instead we are going to focus on the use of
 file level locking (which use the atomicity of some file operations)