mention the MFS model for the mm-bem software

Author: gavinmacaulay

docs/other_software.md

@@ -11,7 +11,7 @@ at the [Ocean Acoustics Library](https://oalib-acoustics.org/models-and-software
 - [KRM Model](https://www.fisheries.noaa.gov/data-tools/krm-model): A web page that uses the KRM model to estimate the TS of predefined or user-supplied shapes over a range of input parameters.
 - [KRMr](https://github.com/SvenGastauer/KRMr): KRM model for fish in R.
 - [Liquid spheroid](https://github.com/elavia/liquid_spheroid): Julia and C++ code to calculate the scattering by fluid prolate and oblate spheroids.
-- [MM-BEM](https://marmoszy.github.io/mm-bem/mm-bem2.html), [github](https://github.com/marmoszy/mm-bem): Code in various languages/systems (C, Python, Matlab, Julia, BEMpp, gypsilab, and FreeFem) that implement the boundary element method for scattering.
+- [MM-BEM](https://marmoszy.github.io/mm-bem/mm-bem2.html), [github](https://github.com/marmoszy/mm-bem): Code in various languages/systems (e.g., C, Python, Matlab, Julia, BEMpp, gypsilab, and FreeFem) that implement the boundary element method for scattering and the method of fundamental solutions (MFS).
 - [Prol_Spheroid](https://github.com/CRIMAC-WP4-Machine-learning/Prol_Spheroid): Python and Fortran code to calculate the scattering from liquid and gas-filled prolate spheroids.
 - [scatmod](https://github.com/SvenGastauer/scatmod): Open source acoustic scattering models for fisheries acoustics. Python and R code for fluid spheres.
 - [SDWBA Model](https://www.fisheries.noaa.gov/data-tools/sdwba-model): A web page that uses the SDWBA model to estimate the TS of predefined shapes over a range of input parameters.