README.md and paper.md changed

README.md

@@ -39,9 +39,9 @@ particles. However, a small angle spectrum contains the information in reciproca
 space, i.e. the information has been Fourier transformed. This is the reason
 why experimentalists need to be educated well for the data interpretation.
 The target group of this program is the small angle scattering community
-using neutrons and x-rays. Typical wavelengths for neutrons are 5 to 10\AA\
+using neutrons and x-rays. Typical wavelengths for neutrons are 5 to 10$\mathrm{\AA}$
 with detector distances ranging from 1 to 40m. For x-rays, the typical wavelength
-ranges from 0.7 to 1.54\AA with detector distances from 20cm to 10m.
+ranges from 0.7 to 1.54$\mathrm{\AA}$ with detector distances from 20cm to 10m.
 For applying the program ``MuScatt´´ the absolute calibration including
 a transmission measurement is mandatory. If the sample is scattering strongly
 the transmission is usually low, lets say below 30\%. Then, the corrections due

paper.md

@@ -39,9 +39,9 @@ particles. However, a small angle spectrum contains the information in reciproca
 space, i.e. the information has been Fourier transformed. This is the reason
 why experimentalists need to be educated well for the data interpretation.
 The target group of this program is the small angle scattering community
-using neutrons and x-rays. Typical wavelengths for neutrons are 5 to 10\AA\
+using neutrons and x-rays. Typical wavelengths for neutrons are 5 to 10$\mathrm{\AA}$
 with detector distances ranging from 1 to 40m. For x-rays, the typical wavelength
-ranges from 0.7 to 1.54\AA with detector distances from 20cm to 10m.
+ranges from 0.7 to 1.54$\mathrm{\AA}$ with detector distances from 20cm to 10m.
 For applying the program ``MuScatt´´ the absolute calibration including
 a transmission measurement is mandatory. If the sample is scattering strongly
 the transmission is usually low, lets say below 30\%. Then, the corrections due