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+++ b/README.md
@@ -64,82 +64,79 @@ Note: For some collision operators (Sugama and Full Coulomb), you will need to r
 
 # Changelog
 
-### 4.x GYACOMO
+### v3.x GYACOMO
+> installation tutorials and python analysis scripts (SPC release)
 
->4.11 background ExB shear
+> background ExB shear
 
->4.1 Miller geometry benchmarked
+> Miller geometry benchmarked
 
->4.01 Singular value decomposition is availale with LAPACK (used for DLRA experiments)
+> singular value decomposition is availale with LAPACK (used for DLRA experiments)
 
->4.0 Gyacomo is born and the code is open-source with a GNU GPLv3 license
+> Gyacomo is born and the code is open-source with a GNU GPLv3 license
 
-### 3.x HeLaZ 3D (flux tube s-alpha)
+### v2.x HeLaZ 3D (flux tube s-alpha)
 
->3.9 Perpendicular electromagnetic fluctuations by solving Ampere equations (benchmarked linearly)
+> perpendicular electromagnetic fluctuations by solving Ampere equations (benchmarked linearly)
 
->3.8 Benchmarked for CBC against GENE for various gradients values (see Dimits_fig3.m)
+> benchmarked for CBC against GENE for various gradients values (see Dimits_fig3.m)
 
->3.7 The frequency plane has been transposed from positive kx to positive ky for easier implementation of shear. Also added 3D Z-pinch geometry
+> transpose the frequency plane from positive kx to positive ky for easier implementation of shear. Also added 3D Z-pinch geometry
 
->3.6 MPI 3D parallelization in p, kx and z and benchmarked for each parallel options with gbms (new molix) for linear fluxtube shearless.
+> MPI 3D parallelization in p, kx and z and benchmarked for each parallel options with gbms (new molix) for linear fluxtube shearless.
 
->3.5 Staggered grid for parallel odd/even coupling
+> staggered grid for parallel odd/even coupling
 
->3.4 Adiabatic electrons
+> adiabatic electrons
 
->3.3 Benchmarked in fluxtube s-alpha geometry linear run with molix (B.J.Frei) code and works now for shear = 0 with periodic z BC
+> benchmarked in fluxtube s-alpha geometry linear run with molix (B.J.Frei) code and works now for shear = 0 with periodic z BC
 
->3.2 Stopping file procedure like in GBS is added
+> stopping file procedure like in GBS is added
 
->3.1 Implementation of mirror force
+> implementation of mirror force
 
->3.0 3D version and works as the 2D version if Nz = 1, the coordinates were renamed from (r,z)  to (x,y,z). Now the parallel direction is ez.
+> 3D version and works as the 2D version if Nz = 1, the coordinates were renamed from (r,z)  to (x,y,z). Now the parallel direction is ez.
 
-### 2.x 2D Zpinch MPI parallel version
+### v1.x 2D Zpinch MPI parallel version
 
->2.7 Versatile interpolation of kperp for the cosolver matrices and corrections done on DGGK
+> versatile interpolation of kperp for the cosolver matrices and corrections done on DGGK
 
->2.6 Change of collisionality normalisation (from nu_ei to nu_ii), implementation of FCGK
+> change of collisionality normalisation (from nu_ei to nu_ii), implementation of FCGK
 
->2.5 GK cosolver collision implementation
+> GK cosolver collision implementation
 
->2.4 MPI 2D cartesian parallel (along p and kr)
+> MPI 2D cartesian parallel (along p and kr)
 
->2.3 GK Dougherty operator
+> GK Dougherty operator
 
->2.2 Allow restart with different P,J values
+> allow restart with different P,J values
 
->2.1 First compilable parallel version (1D parallel along kr)
+> first compilable parallel version (1D parallel along kr)
 
-### 1.x Implementation of the non linear Poisson bracket term
+### v0.x Implementation of the non linear Poisson bracket term
 
->1.4 Quantitative study with stationary average particle flux \Gamma_\infty
+> 1uantitative study with stationary average particle flux \Gamma_\infty
 
->1.3 Linear analysis showed that a certain amount of PJ are recquired to trigger mode
+> linear analysis showed that a certain amount of PJ are recquired to trigger mode
 
->1.2 Zonal flows are observed in a similar way to Ricci Rogers 2006 with GS2
+> zonal flows observed, qualitative agreement with Ricci et al. 2006 (GS2)
 
->1.1 Qualitative test : find similar turbulences as Hasegawa Wakatani system with few moments
+> qualitative test : find similar turbulences as Hasegawa Wakatani system with few moments
 
->1.1 Methods in fourier_mod.f90 have been validated by tests on Hasegawa Wakatani system
+> methods in fourier_mod.f90 have been validated by tests on Hasegawa Wakatani system
 
->1.1 Methods in fourier_mod.f90 have been validated by tests on Hasegawa Wakatani system
+> FFTW3 has been used to treat the convolution as a product and discrete fourier transform
 
->1.0 FFTW3 has been used to treat the convolution as a product and discrete fourier transform
+> load COSOlver matrices
 
-### 0.x Write MOLI matlab solver in Fortran using Monli1D as starting point
+> benchmark with MOLI matlab results for Z-pinch (cf. kz_linear script)
 
->0.6 Benchmarks now include Dougherty, Lenard-Bernstein and Full Coulomb collision operators
+> RK4 time solver
 
->0.5 Load COSOlver matrices
+> implement moment hierarchy linear terms
 
->0.4 Benchmark with MOLI matlab results for Z-pinch (cf. kz_linear script)
+> implement linear Poisson equation in fourier space
 
->0.3 RK4 time solver
+> go from 1D space to 2D fourier and from Hermite basis to Hermite-Laguerre basis
 
->0.2 implement moment hierarchy linear terms
-
->0.1 implement linear Poisson equation in fourier space
-
->0.0 go from 1D space to 2D fourier and from Hermite basis to Hermite-Laguerre basis
+> start from GBS skeleton
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