📓 Update documentation

src/fileReader.c

@@ -34,7 +34,7 @@ void initFileReader(char path[], unsigned long offset) {
 
 //Reads the given amount of bytes from the file and writes them into the given buffer. Automatically opens next file if EOF is reached.
 void getBytes(uint8_t* buffer, unsigned long numBytes) {
-  char* bufferPosition = buffer;
+  uint8_t* bufferPosition = buffer;
   unsigned long remainingBytes = numBytes;
 
   //As long as we still need to read bytes