diff --git a/specification/metrics/new_api.md b/specification/metrics/new_api.md
index bd9fa1e3803..83b413736b2 100644
--- a/specification/metrics/new_api.md
+++ b/specification/metrics/new_api.md
@@ -342,7 +342,7 @@ The API MUST accept the following parameters:
 
 The `callback` function is responsible for reporting the
 [Measurement](#measurement)s. It will only be called when the Meter is being
-observed. Individual language client SHOULD define whether this callback
+observed. Individual language clients SHOULD define whether this callback
 function needs to be reentrant safe / thread safe or not.
 
 Individual language client can decide what is the idiomatic approach. Here are