diff --git a/Doc/lib/libdis.tex b/Doc/lib/libdis.tex
index 116225c1c96..60c61ba3e64 100644
--- a/Doc/lib/libdis.tex
+++ b/Doc/lib/libdis.tex
@@ -480,7 +480,7 @@ Stores TOS into the local \code{co_varnames[\var{var_num}]}.
 Deletes local \code{co_varnames[\var{var_num}]}.
 \end{opcodedesc}
 
-\begin{opcodedesc}{SET_LINE_NO}{lineno}
+\begin{opcodedesc}{SET_LINENO}{lineno}
 Sets the current line number to \var{lineno}.
 \end{opcodedesc}