Documentation work

include/GLFW/glfw3.h

@@ -4030,7 +4030,8 @@ GLFWAPI int glfwGetWindowAttrib(GLFWwindow* window, int attrib);
  *  @param[in] value `GLFW_TRUE` or `GLFW_FALSE`.
  *
  *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref
- *  GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE and @ref GLFW_PLATFORM_ERROR.
+ *  GLFW_INVALID_ENUM, @ref GLFW_INVALID_VALUE, @ref GLFW_PLATFORM_ERROR and @ref
+ *  GLFW_FEATURE_UNAVAILABLE.
  *
  *  @remark Calling @ref glfwGetWindowAttrib will always return the latest
  *  value, even if that value is ignored by the current mode of the window.
@@ -4881,11 +4882,11 @@ GLFWAPI void glfwGetCursorPos(GLFWwindow* window, double* xpos, double* ypos);
  *  @param[in] ypos The desired y-coordinate, relative to the top edge of the
  *  content area.
  *
- *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED and @ref
- *  GLFW_PLATFORM_ERROR.
+ *  @errors Possible errors include @ref GLFW_NOT_INITIALIZED, @ref
+ *  GLFW_PLATFORM_ERROR and @ref GLFW_FEATURE_UNAVAILABLE (see remarks).
  *
  *  @remark @wayland This function will only work when the cursor mode is
- *  `GLFW_CURSOR_DISABLED`, otherwise it will do nothing.
+ *  `GLFW_CURSOR_DISABLED`, otherwise it will emit @ref GLFW_FEATURE_UNAVAILABLE.
  *
  *  @thread_safety This function must only be called from the main thread.
  *