Update src/stdlib_math.fypp

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

Author: ejovo13

src/stdlib_math.fypp

@@ -63,7 +63,7 @@ module stdlib_math
     !! return an array with size 0. If n = 1, return a rank 1 array whose only element is end. When dealing with integers as the `start` and `end`
     !! parameters, the return type is always a `real(dp)`.
     !!
-    !!([Specification](../page/specs/stdlib_math.html#linspace))
+    !!([Specification](../page/specs/stdlib_math.html#linspace-create-a-linearly-spaced-rank-one-array))
     #:for k1, t1 in INT_KINDS_TYPES
       #:set RName = rname("linspace_default", 1, t1, k1)
       #! The interface for INT_KINDS_TYPES cannot be combined with RC_KINDS_TYPES