2023-06-07-twpm-spi-fix.md: Apply suggestions from code review

Co-authored-by: Maciej Pijanowski <[email protected]>

blog/content/post/2023-06-07-twpm-spi-fix.md

@@ -214,7 +214,7 @@ disable SPI, causing a few things:
 
 We decided to continue the tests using only HAL and STM32CubeIDE (we plan to
 port the solution back to Zephyr). From earlier tests, we already know that HAL
-also does not work correctly, but it is easier to roll a custom solution.
+also does not work correctly, but it is easier to roll out a custom solution.
 
 So, I created a new STM32CubeMX project and set up the SPI2 controller through
 the graphical configuration manager. Basic settings involve configuring SPI as a
@@ -602,7 +602,7 @@ static void txdma_complete(DMA_HandleTypeDef *hdma)
 }
 ```
 
-On Python side I introduce a new function:
+On Python side I introduced a new function:
 
 ```python
 def tpm_read(size: int) -> bytes:
@@ -626,7 +626,7 @@ def tpm_read(size: int) -> bytes:
     return spi.xfer(empty)
 ```
 
-And update the test:
+And updated the test:
 
 ```python
 @test
@@ -636,7 +636,7 @@ def test_read():
 ```
 
 After running the test code, I immediately got an error, the logic analyzer
-showing:
+was showing:
 
 ![](/img/stm32-spi-failure.png)