Update README.md

Author: jimmytwei

DirectProgramming/Fortran/guided_Coarray/README.md

@@ -310,7 +310,7 @@ The program can be run with a different number of images; the default is determi
 1. Change to the sample directory.
 2. Build the program using `-coarray-num-images` to set the number of images to four:
    ```
-   ifx -o coarray -coarray-num-images=4 mcpi_coarray.F90
+   ifx -o coarray -coarray -coarray-num-images=4 mcpi_coarray.F90
    ```
 3. Run the program.
    ```
@@ -372,4 +372,4 @@ The following articles provide additional information about using coarrays on di
 
 Code samples are licensed under the MIT license. See [License.txt](https://github.com/oneapi-src/oneAPI-samples/blob/master/License.txt) for details.
 
-Third-party program Licenses can be found here: [third-party-programs.txt](https://github.com/oneapi-src/oneAPI-samples/blob/master/third-party-programs.txt).
+Third-party program Licenses can be found here: [third-party-programs.txt](https://github.com/oneapi-src/oneAPI-samples/blob/master/third-party-programs.txt).