Based on the shorter side length of the angle.
If you are a quality engineer receiving parts with this note, follow these guidelines: iso 2768-mh tolerance chart
Permissible deviations for angular dimensions for the "m" (medium) class. Based on the shorter side length of the angle
⚠️ Important: H means (hole gets larger). This ensures assembly with shafts, pins, or bolts. iso 2768-mh tolerance chart
Now go check your title block – is ISO 2768-mH the right fit for your next project?