Try to improve grammar and use versionadded
diff --git a/Doc/lib/libunicodedata.tex b/Doc/lib/libunicodedata.tex
index 2922913..771c867 100644
--- a/Doc/lib/libunicodedata.tex
+++ b/Doc/lib/libunicodedata.tex
@@ -72,8 +72,9 @@
\end{funcdesc}
\begin{funcdesc}{east_asian_width}{unichr}
- Returns the east asian width of assigned to the Unicode character
+ Returns the east asian width assigned to the Unicode character
\var{unichr} as string.
+\versionadded{2.4}
\end{funcdesc}
\begin{funcdesc}{mirrored}{unichr}