Fixed typo

Changed "outputa" to "outputs".

[ticket: X]

Author: wclodius2

src/tests/hash_functions/validation/README.md

@@ -2,7 +2,7 @@ The validation directory contains code to validate the Fortran hash functions ag
 
 * `generate_key_array.f90` - creates a file containing 2048 random 8 bit integers.
 
-* `generate_hash_arrays.cpp` - reads the file generated by `generate_key_array.f90` and uses its contents to generate 2049 hashes for each hash algorithm and outputa files containing the hashes.
+* `generate_hash_arrays.cpp` - reads the file generated by `generate_key_array.f90` and uses its contents to generate 2049 hashes for each hash algorithm and outputs files containing the hashes.
 
 * `hash_validity_test.f90`- reads the file generated by `generate_key_array.f90` and uses its contents to generate 2049 hashes for each hash algorithm and compares the result with the corresponding outputs of `generate_hash_arrays.cpp` reporting if the outputs are not equal.