diff --git a/Doc/lib.tex b/Doc/lib.tex
index 3e74935d7cc..42f0ef3f398 100644
--- a/Doc/lib.tex
+++ b/Doc/lib.tex
@@ -141,6 +141,7 @@ to Python and how to embed it in other applications.
 \input{liburlparse}
 \input{libhtmllib}
 \input{libsgmllib}
+\input{libformatter}
 \input{librfc822}
 \input{libmimetools}
 \input{libbinascii}
diff --git a/Doc/lib/lib.tex b/Doc/lib/lib.tex
index 3e74935d7cc..42f0ef3f398 100644
--- a/Doc/lib/lib.tex
+++ b/Doc/lib/lib.tex
@@ -141,6 +141,7 @@ to Python and how to embed it in other applications.
 \input{liburlparse}
 \input{libhtmllib}
 \input{libsgmllib}
+\input{libformatter}
 \input{librfc822}
 \input{libmimetools}
 \input{libbinascii}