Add missing word
diff --git a/Doc/lib/libunicodedata.tex b/Doc/lib/libunicodedata.tex
index 631f12d..1998ea8 100644
--- a/Doc/lib/libunicodedata.tex
+++ b/Doc/lib/libunicodedata.tex
@@ -108,7 +108,7 @@
Normal form C (NFC) first applies a canonical decomposition, then
composes pre-combined characters again.
-In addition to these two forms, there two additional normal forms
+In addition to these two forms, there are two additional normal forms
based on compatibility equivalence. In Unicode, certain characters are
supported which normally would be unified with other characters. For
example, U+2160 (ROMAN NUMERAL ONE) is really the same thing as U+0049
@@ -139,3 +139,4 @@
\versionadded{2.5}
\end{datadesc}
+