Fix grammer mistake.

1 files changed, 1 insertions, 1 deletions

diff --git a/error.go b/error.go
index 3245cc5..fed3a00 100644
--- a/error.go
+++ b/error.go
@@ -163,7 +163,7 @@ func acceptError(codes ...ErrorCode) error {
 	case notInitialized, noCurrentContext, invalidEnum, invalidValue, outOfMemory, platformError:
 		panic(err)
 	default:
-		fmt.Println("GLFW: A invalid error was not accepted by the caller:", err)
+		fmt.Println("GLFW: An invalid error was not accepted by the caller:", err)
 		fmt.Println("GLFW: Please report this bug in the Go package immediately.")
 		panic(err)
 	}