typo on requirements

index.rst

@@ -49,8 +49,8 @@ meet all its requirements within 3 seconds of ending a short
 slew (3.5 degrees in 2 seconds)
 
 **LTS-88-REQ-0052**: The positioning system SHALL maintain mirror decenter less than
- +/- 6 micrometer, mirror tilt less than +/- 24 e-6 degree, and piston less than +/- 1
- micrometer, all relative to the mirror cell, after a slew of 3.5 degrees or less (short slew).
++/- 6 micrometer, mirror tilt less than +/- 24 e-6 degree, and piston less than +/- 1
+micrometer, all relative to the mirror cell, after a slew of 3.5 degrees or less (short slew).
 
 
 Related documents