A hinge mounted between a cover and a base of a notebook has a base bracket having a mounting hole, a cover bracket having a stationary hole, a limiting spacer and a pintle. The limiting spacer is mounted securely on one side of the base bracket and has a mounting hole and a limiting flange. The pintle has a proximal end mounted securely in the stationary hole of the cover bracket, a distal end mounted rotatably through the mounting hole of the limiting spacer and the mounting hole of the base bracket, and a head formed near the proximal end. The head has a limiting protrusion selectively abutting a front end or a rear end of the limiting flange to keep the cover of the notebook in position when the cover being closed or opened and to prevent the base bracket from resulting stress concentration.