fix docs

Author: 9il

source/mir/math/stat.d

@@ -12,7 +12,7 @@ Authors: Ilya Yaroshenko
 Copyright: 2019 Symmetry Investments Group and Kaleidic Associates Advisory Limited.
 
 Macros:
-SUBREF = $(REF_ALTTEXT $(TT $2), $2, mir, ndslice, $1)$(NBSP)
+SUBREF = $(REF_ALTTEXT $(TT $2), $2, mir, math, $1)$(NBSP)
 T2=$(TR $(TDNW $(LREF $1)) $(TD $+))
 T4=$(TR $(TDNW $(LREF $1)) $(TD $2) $(TD $3) $(TD $4))
 +/