Address review concerns: doc link, Csr/CScMatrix::pattern docs

nalgebra-sparse/src/csc.rs

@@ -369,11 +369,7 @@ impl<T> CscMatrix<T> {
         self.cs.pattern_and_values_mut()
     }
 
-    /// Returns the underlying sparsity pattern.
-    ///
-    /// The sparsity pattern is stored internally inside an `Arc`. This allows users to re-use
-    /// the same sparsity pattern for multiple matrices without storing the same pattern multiple
-    /// times in memory.
+    /// Returns a reference to the underlying sparsity pattern.
     pub fn pattern(&self) -> &SparsityPattern {
         self.cs.pattern()
     }

nalgebra-sparse/src/csr.rs

@@ -371,11 +371,7 @@ impl<T> CsrMatrix<T> {
         self.cs.pattern_and_values_mut()
     }
 
-    /// Returns the underlying sparsity pattern.
-    ///
-    /// The sparsity pattern is stored internally inside an `Arc`. This allows users to re-use
-    /// the same sparsity pattern for multiple matrices without storing the same pattern multiple
-    /// times in memory.
+    /// Returns a reference to the underlying sparsity pattern.
     pub fn pattern(&self) -> &SparsityPattern {
         self.cs.pattern()
     }

nalgebra-sparse/src/lib.rs

@@ -55,7 +55,7 @@
 //! | ------------------------|--------------------------------------------- |
 //! | [COO](`coo::CooMatrix`) | Well-suited for matrix construction. <br /> Ill-suited for algebraic operations. |
 //! | [CSR](`csr::CsrMatrix`) | Immutable sparsity pattern, suitable for algebraic operations. <br /> Fast row access. |
-//! | [CSC](`csr::CscMatrix`) | Immutable sparsity pattern, suitable for algebraic operations. <br /> Fast column access. |
+//! | [CSC](`csc::CscMatrix`) | Immutable sparsity pattern, suitable for algebraic operations. <br /> Fast column access. |
 //!
 //! What format is best to use depends on the application. The most common use case for sparse
 //! matrices in science is the solution of sparse linear systems. Here we can differentiate between