docs: fix buster hint link (#236)

Signed-off-by: Patrick Gehrsitz <[email protected]>

Author: mryel00

README.md

@@ -64,10 +64,10 @@ Not available: :heavy_minus_sign:
 
 |         Operating System          |  X86 Architecture  |     ARM Architecture                        |
 | :-------------------------------: | :----------------: | :-----------------------------------------: |
-|     Raspberry Pi OS (buster)      | :heavy_minus_sign: |   :x: ([Hint](#hint))                       |
+|     Raspberry Pi OS (buster)      | :heavy_minus_sign: |   :x: ([Hint](#hint-buster))                       |
 |    Raspberry Pi OS (bullseye)     | :heavy_minus_sign: |    :heavy_check_mark:                       |
 |    Raspberry Pi OS (bookworm)     | :heavy_minus_sign: | :heavy_check_mark: ([Hint](#hint-bookworm)) |
-|        MainsailOS (<0.7.1)        | :heavy_minus_sign: |   :x: ([Hint](#hint))                       |
+|        MainsailOS (<0.7.1)        | :heavy_minus_sign: |   :x: ([Hint](#hint-buster))                       |
 |        MainsailOS (>1.0.0)        | :heavy_minus_sign: | :heavy_check_mark: (rpi)                    |
 |              Armbian              |     :question:     |    :heavy_check_mark:                       |
 |              DietPi               |     :question:     |    :heavy_check_mark: (rpi)                 |