diff --git a/drivers/rng/stm32_rng.c b/drivers/rng/stm32_rng.c
index 61d5ed6..44e8a46 100644
--- a/drivers/rng/stm32_rng.c
+++ b/drivers/rng/stm32_rng.c
@@ -74,7 +74,7 @@
  * Extracts from the STM32 RNG specification when RNG supports CONDRST.
  *
  * When a noise source (or seed) error occurs, the RNG stops generating
- * random numbers and sets to “1” both SEIS and SECS bits to indicate
+ * random numbers and sets to "1" both SEIS and SECS bits to indicate
  * that a seed error occurred. (...)
  *
  * 1. Software reset by writing CONDRST at 1 and at 0 (see bitfield
@@ -127,12 +127,12 @@
  * Extracts from the STM32 RNG specification, when CONDRST is not supported
  *
  * When a noise source (or seed) error occurs, the RNG stops generating
- * random numbers and sets to “1” both SEIS and SECS bits to indicate
+ * random numbers and sets to "1" both SEIS and SECS bits to indicate
  * that a seed error occurred. (...)
  *
  * The following sequence shall be used to fully recover from a seed
  * error after the RNG initialization:
- * 1. Clear the SEIS bit by writing it to “0”.
+ * 1. Clear the SEIS bit by writing it to "0".
  * 2. Read out 12 words from the RNG_DR register, and discard each of
  * them in order to clean the pipeline.
  * 3. Confirm that SEIS is still cleared. Random number generation is