diff --git a/src/error.c b/src/error.c
index 1967dd85..d91cf077 100644
--- a/src/error.c
+++ b/src/error.c
@@ -43,6 +43,7 @@ static int _glfwError = GLFW_NO_ERROR;
 
 //========================================================================
 // Sets the current error value
+// This function may be called without GLFW having been initialized
 //========================================================================
 
 void _glfwSetError(int error, const char* description)