Fix \xhh specs, #1889. (an oversight of r60193, r60210).
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index ab1b7f5..7df0c2b 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -503,7 +503,7 @@
As in Standard C, up to three octal digits are accepted.
(2)
- Unlike in Standard C, at most two hex digits are accepted.
+ Unlike in Standard C, exactly two hex digits are required.
(3)
In a bytes literal, hexadecimal and octal escapes denote the byte with the