Manually merge doc fixes from 1.3
diff --git a/include/mbedtls/ecp.h b/include/mbedtls/ecp.h
index 569c581..a69ba17 100644
--- a/include/mbedtls/ecp.h
+++ b/include/mbedtls/ecp.h
@@ -412,7 +412,7 @@
*
* \note buf is updated to point right after the ECPoint on exit
*
- * \return O if successful,
+ * \return 0 if successful,
* MBEDTLS_ERR_MPI_XXX if initialization failed
* MBEDTLS_ERR_ECP_BAD_INPUT_DATA if input is invalid
*/
@@ -443,7 +443,7 @@
* \param grp Destination group
* \param index Index in the list of well-known domain parameters
*
- * \return O if successful,
+ * \return 0 if successful,
* MBEDTLS_ERR_MPI_XXX if initialization failed
* MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE for unkownn groups
*
@@ -461,7 +461,7 @@
*
* \note buf is updated to point right after ECParameters on exit
*
- * \return O if successful,
+ * \return 0 if successful,
* MBEDTLS_ERR_MPI_XXX if initialization failed
* MBEDTLS_ERR_ECP_BAD_INPUT_DATA if input is invalid
*/