diff --git a/README.md b/README.md
index bd12278..3e48286 100644
--- a/README.md
+++ b/README.md
@@ -105,7 +105,7 @@
 ```
 
 The [`heapsize`] example directory shows a complete working Macros 1.1
-implementation of a custom derive. It works on any Rust compiler \>=1.15.0. The
+implementation of a custom derive. It works on any Rust compiler 1.15+. The
 example derives a `HeapSize` trait which computes an estimate of the amount of
 heap memory owned by a value.
 
diff --git a/examples/README.md b/examples/README.md
index 267c28f..ea59c02 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -6,7 +6,7 @@
 ### [`heapsize`](heapsize)
 
 A complete working implementation of a custom derive. Works on any Rust compiler
->=1.15.0.
+1.15+.
 
 ### [`lazy-static`](lazy-static)
 
diff --git a/examples/heapsize/README.md b/examples/heapsize/README.md
index 1fe56ff..a99b727 100644
--- a/examples/heapsize/README.md
+++ b/examples/heapsize/README.md
@@ -1,5 +1,5 @@
 A complete working implementation of a custom derive. Works on any Rust compiler
-\>=1.15.0.
+1.15+.
 
 - [`heapsize/src/lib.rs`](heapsize/src/lib.rs)
 - [`heapsize_derive/src/lib.rs`](heapsize_derive/src/lib.rs)
diff --git a/src/lib.rs b/src/lib.rs
index 5953c64..4e45405 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -103,7 +103,7 @@
 //! ```
 //!
 //! The [`heapsize`] example directory shows a complete working Macros 1.1
-//! implementation of a custom derive. It works on any Rust compiler \>=1.15.0.
+//! implementation of a custom derive. It works on any Rust compiler 1.15+.
 //! The example derives a `HeapSize` trait which computes an estimate of the
 //! amount of heap memory owned by a value.
 //!