diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index 51a291e..9fdb350 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -309,8 +309,8 @@
 * *Nd* - decimal numbers
 * *Pc* - connector punctuations
 
-All identifiers are converted into the normal form NFC while parsing; comparison
-of identifiers is based on NFC.
+All identifiers are converted into the normal form NFKC while parsing; comparison
+of identifiers is based on NFKC.
 
 A non-normative HTML file listing all valid identifier characters for Unicode
 4.1 can be found at