diff --git a/docs/trace/customizing-the-sdk/README.md b/docs/trace/customizing-the-sdk/README.md
index 9a06c3f1ef9..9587e9c1393 100644
--- a/docs/trace/customizing-the-sdk/README.md
+++ b/docs/trace/customizing-the-sdk/README.md
@@ -74,7 +74,7 @@ provider to start collecting traces from them.
 `AddSource` method on `TracerProviderBuilder` can be used to add a
 `ActivitySource` to the provider. The name of the `ActivitySource`
 (case-insensitive) must be the argument to this method. Multiple `AddSource` can
-be called to add more than one source. It also supports wild-card subscription
+be called to add more than one source. It also supports wildcard subscription
 model as well.
 
 It is not possible to add sources *after* the provider is built, by calling the
diff --git a/src/OpenTelemetry/README.md b/src/OpenTelemetry/README.md
index be7d9a49c61..b7aa505f691 100644
--- a/src/OpenTelemetry/README.md
+++ b/src/OpenTelemetry/README.md
@@ -120,7 +120,7 @@ provider to start collecting traces from them.
 
 `AddSource` method on `TracerProviderBuilder` can be used to add a
 `ActivitySource` to the provider. Multiple `AddSource` can be called to add more
-than one source. It also supports wild-card subscription model as well.
+than one source. It also supports wildcard subscription model as well.
 
 Similar to `Sampler` and `Resource`, it is not possible to add sources *after*
 the provider is built, by calling the `Build()` method on the