1 files changed, 12 insertions, 9 deletions
diff --git a/academic/cadabra2/README b/academic/cadabra2/README
index 5e8287722a..e26c444234 100644
--- a/academic/cadabra2/README
+++ b/academic/cadabra2/README
@@ -1,11 +1,12 @@
 Cadabra is a symbolic computer algebra system (CAS) designed
 specifically for the solution of problems encountered in field theory.
 It has extensive functionality for tensor computer algebra, tensor
-polynomial simplification including multi-term symmetries, fermions and
-anti-commuting variables, Clifford algebras and Fierz transformations,
-component computations, implicit coordinate dependence, multiple index
-types and many more. The input format is a subset of TeX. Both a
-command-line and a graphical interface are available.
+polynomial simplification including multi-term symmetries, fermions
+and anti-commuting variables, Clifford algebras and Fierz
+transformations, component computations, implicit coordinate
+dependence, multiple index types and many more. The input format is a
+subset of TeX. Both a command-line and a graphical interface are
+available.
 
 * Designed for field-theory problems, with handling of anti-commuting
   and non-commuting objects without special notations for their
@@ -21,12 +22,14 @@ command-line and a graphical interface are available.
 
 * Allows for both abstract and component computations.
 
-* A standalone graphical notebook interface which can also be used as a
-  front-end for SymPy.
+* A standalone graphical notebook interface which can also be used as
+  a front-end for SymPy.
 
 * Input and output using a subset of LaTeX notation.
 
 * Programmable using Python.
 
-Mathematica (not on SBo) is an optional dependency, it will be
-autodetected at build time.
+If this SlackBuild is running on a system which has WolframEngine
+(available on SBo) or Mathematica (not on SBo) installed, its support
+in Cadabra can be enabled by setting the environment variable MMA=ON
+(default: MMA=OFF).