Fix latex build

Author: llvm-beanz

specs/language/basic.tex

@@ -420,8 +420,8 @@
 declaration out to the global scope.}
 
 \item An object of intangible type may not be a parameter or return type of a
-function with program linkage or external linkage (\ref{Basic.Linkage.Program} &
-\ref{Basic.Linkage.External}).
+function with program linkage or external linkage (\ref{Basic.Linkage.Program}
+and \ref{Basic.Linkage.External}).
 \end{itemize}
 
 \Sec{Lvalues and rvalues}{Basic.lval}