Update copy

Author: kgryte

spec/API_specification/linear_algebra_functions.md

@@ -288,7 +288,7 @@ Computes the qr factorization of a matrix (or a stack of matrices), where `q` is
         -   first element must be an array whose shape depends on the value of `mode` and contain orthonormal matrices. If `mode` is `'complete'`, the array must have shape `(..., M, M)`. If `mode` is `'reduced'`, the array must have shape `(..., M, K)`, where `K = min(M, N)`. The first `x.ndim-2` dimensions must have the same size as those of the input `x`.
         -   second element must be an array whose shape depends on the value of `mode` and contain upper-triangular matrices. If `mode` is `'complete'`, the array must have shape `(..., M, M)`. If `mode` is `'reduced'`, the array must have shape `(..., K, N)`, where `K = min(M, N)`. The first `x.ndim-2` dimensions must have the same size as those of the input `x`.
 
-        Each returned array must have a floating-point data type determined by {ref}`type-promotion` rules.
+        Each returned array must have a floating-point data type determined by {ref}`type-promotion`.
 
 (function-slogdet)=
 ### slogdet()