Remove mentions of "plain" integers.
diff --git a/Doc/reference/lexical_analysis.rst b/Doc/reference/lexical_analysis.rst
index 5748b9e..fdb5f99 100644
--- a/Doc/reference/lexical_analysis.rst
+++ b/Doc/reference/lexical_analysis.rst
@@ -565,9 +565,9 @@
floating point literal, hexadecimal literal
octal literal, binary literal, decimal literal, imaginary literal, complex literal
-There are three types of numeric literals: plain integers, floating point
-numbers, and imaginary numbers. There are no complex literals
-(complex numbers can be formed by adding a real number and an imaginary number).
+There are three types of numeric literals: integers, floating point numbers, and
+imaginary numbers. There are no complex literals (complex numbers can be formed
+by adding a real number and an imaginary number).
Note that numeric literals do not include a sign; a phrase like ``-1`` is
actually an expression composed of the unary operator '``-``' and the literal