Comment typo and cleanup

Author: sfe-SparkFro

src/core.cpp

@@ -44,13 +44,14 @@ bool upyOpenCVBoot() {
 
         // Initializes `StdMatAllocator` on the C heap, see:
         // https://github.com/sparkfun/micropython-opencv/issues/17
+        // 
         // Alternatively, we could set the NumpyAllocator as the default Mat
-        // allocator with Mat::setDefaultAllocator(&GetNumpyAllocator()),
+        // allocator with `Mat::setDefaultAllocator(&GetNumpyAllocator())`,
         // however that actually causes some issues. For example, Canny()
-        // creates an temporary 64-bit float Mat, which is not supported by
-        // ulab NumPy and therefore fails if we use the NumpyAllocator. The
-        // StdMatAllocator is fine, because it calls `malloc()`, which we catch
-        // with `__wrap_malloc()` to ensure the data is allocated on the GC heap
+        // creates a temporary 64-bit float Mat, which is not supported by ulab
+        // NumPy and therefore fails with the NumpyAllocator. StdMatAllocator is
+        // fine to use, because it calls `malloc()`, which we catch with
+        // `__wrap_malloc()` to ensure the data is allocated on the GC heap
         Mat::getDefaultAllocator();
 
         return true;