diff --git a/doc/sphinx/userDoc/options.rst b/doc/sphinx/userDoc/options.rst
index 7626d0e..bb7eb92 100644
--- a/doc/sphinx/userDoc/options.rst
+++ b/doc/sphinx/userDoc/options.rst
@@ -17,7 +17,7 @@ normal parameters override each other, so the last one executed.
 Command line options
 --------------------
 These options are to be used on the command line. E.g., 'IOR -a POSIX -b 4K'.
-  -a S  api --  API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI]
+  -a S  api --  API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI|RADOS]
   -A N  refNum -- user reference number to include in long summary
   -b N  blockSize -- contiguous bytes to write per task  (e.g.: 8, 4k, 2m, 1g)
   -B    useO_DIRECT -- uses O_DIRECT for POSIX, bypassing I/O buffers
diff --git a/doc/sphinx/userDoc/skripts.rst b/doc/sphinx/userDoc/skripts.rst
index bfb07b2..964f1ac 100644
--- a/doc/sphinx/userDoc/skripts.rst
+++ b/doc/sphinx/userDoc/skripts.rst
@@ -25,7 +25,7 @@ Syntax:
 An example of a script: ::
 
   IOR START
-    api=[POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI]
+    api=[POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI|RADOS]
     testFile=testFile
     hintsFileName=hintsFile
     repetitions=8
diff --git a/src/aiori-RADOS.c b/src/aiori-RADOS.c
index da27dec..430c1b2 100755
--- a/src/aiori-RADOS.c
+++ b/src/aiori-RADOS.c
@@ -56,7 +56,7 @@ static int RADOS_MkDir(const char *, mode_t, IOR_param_t *);
 static int RADOS_RmDir(const char *, IOR_param_t *);
 static int RADOS_Access(const char *, int, IOR_param_t *);
 static int RADOS_Stat(const char *, struct stat *, IOR_param_t *);
-static option_help * RADIOS_options();
+static option_help * RADOS_options();
 
 /************************** D E C L A R A T I O N S ***************************/
 ior_aiori_t rados_aiori = {
@@ -74,7 +74,7 @@ ior_aiori_t rados_aiori = {
         .rmdir = RADOS_RmDir,
         .access = RADOS_Access,
         .stat = RADOS_Stat,
-        .get_options = RADIOS_options,
+        .get_options = RADOS_options,
 };
 
 #define RADOS_ERR(__err_str, __ret) do { \
@@ -83,7 +83,7 @@ ior_aiori_t rados_aiori = {
 } while(0)
 
 /***************************** F U N C T I O N S ******************************/
-static option_help * RADIOS_options(){
+static option_help * RADOS_options(){
   return options;
 }
 
diff --git a/src/mdtest.c b/src/mdtest.c
index b646aef..61decb4 100644
--- a/src/mdtest.c
+++ b/src/mdtest.c
@@ -1308,7 +1308,7 @@ void print_help (void) {
         "              [-n number_of_items] [-N stride_length] [-p seconds] [-r]\n"
         "              [-R[seed]] [-s stride] [-S] [-t] [-T] [-u] [-v] [-a API]\n"
         "              [-V verbosity_value] [-w number_of_bytes_to_write] [-W seconds] [-y] [-z depth] -Z\n"
-        "\t-a: API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI]\n"
+        "\t-a: API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI|RADOS]\n"
         "\t-b: branching factor of hierarchical directory structure\n"
         "\t-B: no barriers between phases\n"
         "\t-c: collective creates: task 0 does all creates\n"
@@ -2164,7 +2164,7 @@ mdtest_results_t * mdtest_run(int argc, char **argv, MPI_Comm world_com, FILE *
     char * path = "./out";
     int randomize = 0;
     option_help options [] = {
-      {'a', NULL,        "API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI]", OPTION_OPTIONAL_ARGUMENT, 's', & backend_name},
+      {'a', NULL,        "API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI|RADOS]", OPTION_OPTIONAL_ARGUMENT, 's', & backend_name},
       {'b', NULL,        "branching factor of hierarchical directory structure", OPTION_OPTIONAL_ARGUMENT, 'd', & branch_factor},
       {'d', NULL,        "the directory in which the tests will run", OPTION_OPTIONAL_ARGUMENT, 's', & path},
       {'B', NULL,        "no barriers between phases", OPTION_OPTIONAL_ARGUMENT, 'd', & no_barriers},
diff --git a/src/parse_options.c b/src/parse_options.c
index 55ef5ab..d0dec17 100755
--- a/src/parse_options.c
+++ b/src/parse_options.c
@@ -438,7 +438,7 @@ IOR_test_t *ParseCommandLine(int argc, char **argv)
     parameters = & initialTestParams;
 
     option_help options [] = {
-          {'a', NULL,        "API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI]", OPTION_OPTIONAL_ARGUMENT, 's', & initialTestParams.api},
+          {'a', NULL,        "API for I/O [POSIX|MPIIO|HDF5|HDFS|S3|S3_EMC|NCMPI|RADOS]", OPTION_OPTIONAL_ARGUMENT, 's', & initialTestParams.api},
           {'A', NULL,        "refNum -- user supplied reference number to include in the summary", OPTION_OPTIONAL_ARGUMENT, 'd', & initialTestParams.referenceNumber},
           {'b', NULL,        "blockSize -- contiguous bytes to write per task  (e.g.: 8, 4k, 2m, 1g)", OPTION_OPTIONAL_ARGUMENT, 'l', & initialTestParams.blockSize},
           {'B', NULL,        "useO_DIRECT -- uses O_DIRECT for POSIX, bypassing I/O buffers", OPTION_FLAG, 'd', & initialTestParams.useO_DIRECT},