Update src/stdlib_linalg.fypp

Co-authored-by: Jeremie Vandenplas <jeremie.vandenplas@gmail.com>

Author: perazz

src/stdlib_linalg.fypp

@@ -231,7 +231,7 @@ module stdlib_linalg
     !! This interface provides methods for computing the determinant of a matrix.
     !! Supported data types include real and complex.
     !! 
-    !!@note The provided functions are intended for square matrices.          
+    !!@note The provided functions are intended for square matrices only.          
     !! 
     !!### Example
     !!