diff --git a/doc.go b/doc.go
index eee97f6..e27e3f6 100644
--- a/doc.go
+++ b/doc.go
@@ -4,7 +4,7 @@
 Puddle is a tiny generic resource pool library for Go that uses the standard
 context library to signal cancellation of acquires. It is designed to contain
 the minimum functionality a resource pool needs that cannot be implemented
-without concerrency concerns. For example, a database connection pool may use
+without concurrency concerns. For example, a database connection pool may use
 puddle internally and implement health checks and keep-alive behavior without
 needing to implement any concurrent code of its own.
 */