diff --git a/README.md b/README.md
index de65756e5b..00971925f6 100644
--- a/README.md
+++ b/README.md
@@ -537,7 +537,7 @@ For more, see [eradicate](https://pypi.org/project/eradicate/2.1.0/) on PyPI.
 
 | Code | Name | Message | Fix |
 | ---- | ---- | ------- | --- |
-| ERA001 | CommentedCode | Found commented-out code | 🛠 |
+| ERA001 | CommentedOutCode | Found commented-out code | 🛠 |
 
 ### flake8-bandit
 
diff --git a/src/checks_gen.rs b/src/checks_gen.rs
index cec40003a3..f2989b25ec 100644
--- a/src/checks_gen.rs
+++ b/src/checks_gen.rs
@@ -177,8 +177,8 @@ pub enum CheckCodePrefix {
     E99,
     E999,
     ERA,
-    ERA8,
-    ERA80,
+    ERA0,
+    ERA00,
     ERA001,
     F,
     F4,
@@ -868,8 +868,8 @@ impl CheckCodePrefix {
             CheckCodePrefix::E99 => vec![CheckCode::E999],
             CheckCodePrefix::E999 => vec![CheckCode::E999],
             CheckCodePrefix::ERA => vec![CheckCode::ERA001],
-            CheckCodePrefix::ERA8 => vec![CheckCode::ERA001],
-            CheckCodePrefix::ERA80 => vec![CheckCode::ERA001],
+            CheckCodePrefix::ERA0 => vec![CheckCode::ERA001],
+            CheckCodePrefix::ERA00 => vec![CheckCode::ERA001],
             CheckCodePrefix::ERA001 => vec![CheckCode::ERA001],
             CheckCodePrefix::F => vec![
                 CheckCode::F401,
@@ -1503,8 +1503,8 @@ impl CheckCodePrefix {
             CheckCodePrefix::E99 => PrefixSpecificity::Tens,
             CheckCodePrefix::E999 => PrefixSpecificity::Explicit,
             CheckCodePrefix::ERA => PrefixSpecificity::Category,
-            CheckCodePrefix::ERA8 => PrefixSpecificity::Hundreds,
-            CheckCodePrefix::ERA80 => PrefixSpecificity::Tens,
+            CheckCodePrefix::ERA0 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::ERA00 => PrefixSpecificity::Tens,
             CheckCodePrefix::ERA001 => PrefixSpecificity::Explicit,
             CheckCodePrefix::F => PrefixSpecificity::Category,
             CheckCodePrefix::F4 => PrefixSpecificity::Hundreds,