Apply suggestions from code review

Co-authored-by: Christopher Jefferson <[email protected]>

Author: wucas

lib/matobjminimal.gd

@@ -59,7 +59,7 @@ DeclareRepresentation( "IsMinimalMatrixRep",
     and HasBaseDomain and HasOneOfBaseDomain and HasZeroOfBaseDomain,
     [] );
 
-# If we implement our object a a positional object we often have to access its
+# If we implement our object as a positional object we often have to access its
 # properties in the code. To make that more readable we declare global
 # variables. If you do this too make sure you use variables that are unique and
 # unlikely to be used someplace else, even though that might mean using longer
@@ -74,4 +74,4 @@ BindGlobal( "MINREP_NRPOS", 2 );
 # Position in the positional object of the number of columns
 BindGlobal( "MINREP_NCPOS", 3 );
 # Position in the positional object of the list of entries
-BindGlobal( "MINREP_ELSPOS", 4 );
+BindGlobal( "MINREP_ELSPOS", 4 );