fix markup glitch
diff --git a/Doc/api/concrete.tex b/Doc/api/concrete.tex
index 1982bae..c3e1fbd 100644
--- a/Doc/api/concrete.tex
+++ b/Doc/api/concrete.tex
@@ -1393,7 +1393,7 @@
The \var{mapping} table must map Unicode ordinal integers to Unicode
ordinal integers or None (causing deletion of the character).
- Mapping tables need only provide the method{__getitem__()}
+ Mapping tables need only provide the \method{__getitem__()}
interface; dictionaries and sequences work well. Unmapped character
ordinals (ones which cause a \exception{LookupError}) are left
untouched and are copied as-is.