Fix a/an typos in doxygen and other comments
Signed-off-by: Tom Cosgrove <tom.cosgrove@arm.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index 2bf24a0..3e53c33 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1110,7 +1110,7 @@
* Include backtrace information with each allocated block.
*
* Requires: MBEDTLS_MEMORY_BUFFER_ALLOC_C
- * GLIBC-compatible backtrace() an backtrace_symbols() support
+ * GLIBC-compatible backtrace() and backtrace_symbols() support
*
* Uncomment this macro to include backtrace information
*/