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+++ b/README.md
@@ -423,11 +423,11 @@ TRUE and PicoC will be able to write it too.
 
 # How PicoC differs from C90
 
-PicoC is a tiny C language, not a complete implementation of C90. It doesn't aim
-to implement every single feature of C90 but it does aim to be close enough that
-most programs will run without modification.
+PicoC is a tiny C language, not a complete implementation of C89/90. It doesn't
+aim to implement every single feature of C89/90 but it does aim to be close enough
+that most programs will run without modification.
 
-PicoC also has scripting abilities which enhance it beyond what C90 offers.
+PicoC also has scripting abilities which enhance it beyond what C89/90 offers.
 
 ## C preprocessor
 There is no true preprocessor in PicoC. The most popular preprocessor features