diff --git a/src/and/readme.md b/src/and/readme.md
index aacfe2f9..8daaa6b4 100644
--- a/src/and/readme.md
+++ b/src/and/readme.md
@@ -1,12 +1,7 @@
-# and (experimental)
+# and
 
 :::note since
-patronum 1.8.3
-:::
-
-:::caution experimental
-This is unstable operator.
-Declaration, documentation or name can be changed at any time.
+patronum 1.11.0
 :::
 
 ```ts
diff --git a/src/either/readme.md b/src/either/readme.md
index 27c7e832..d7be2719 100644
--- a/src/either/readme.md
+++ b/src/either/readme.md
@@ -1,12 +1,7 @@
-# either (experimental)
+# either
 
 :::note since
-patronum 1.8.3
-:::
-
-:::caution experimental
-This is unstable operator.
-Declaration, documentation or name can be changed at any time.
+patronum 1.11.0
 :::
 
 ```ts
diff --git a/src/equals/readme.md b/src/equals/readme.md
index 9bf9401f..733810b0 100644
--- a/src/equals/readme.md
+++ b/src/equals/readme.md
@@ -1,12 +1,7 @@
-# equals (experimental)
+# equals
 
 :::note since
-patronum 1.8.3
-:::
-
-:::caution experimental
-This is unstable operator.
-Declaration, documentation or name can be changed at any time.
+patronum 1.11.0
 :::
 
 ```ts
diff --git a/src/not/readme.md b/src/not/readme.md
index a3d6aaeb..f772de6a 100644
--- a/src/not/readme.md
+++ b/src/not/readme.md
@@ -1,12 +1,7 @@
-# not (experimental)
+# not
 
 :::note since
-patronum 1.8.3
-:::
-
-:::caution experimental
-This is unstable operator.
-Declaration, documentation or name can be changed at any time.
+patronum 1.11.0
 :::
 
 ```ts
diff --git a/src/or/readme.md b/src/or/readme.md
index eac484ac..0e24c568 100644
--- a/src/or/readme.md
+++ b/src/or/readme.md
@@ -1,12 +1,7 @@
-# or (experimental)
+# or
 
 :::note since
-patronum 1.8.3
-:::
-
-:::caution experimental
-This is unstable operator.
-Declaration, documentation or name can be changed at any time.
+patronum 1.11.0
 :::
 
 ```ts