diff --git a/src/lib_ccx/ccx_encoders_scc.c b/src/lib_ccx/ccx_encoders_scc.c
index 3d61ce91..22f16560 100644
--- a/src/lib_ccx/ccx_encoders_scc.c
+++ b/src/lib_ccx/ccx_encoders_scc.c
@@ -21,7 +21,7 @@ unsigned char odd_parity(const unsigned char byte)
  */
 
 // Get frame rate value from scc_framerate setting
-// 0=29.97 (default), 1=24, 2=25, 3=30, 4=23.98
+// 0=29.97 (default), 1=24, 2=25, 3=30, 4=23.976 (aka 23.98)
 static float get_scc_fps_internal(int scc_framerate)
 {
 	switch (scc_framerate)
@@ -829,7 +829,7 @@ enum control_code get_font_code(enum font_bits font, enum ccx_decoder_608_color_
 }
 
 // Get frame rate value from scc_framerate setting
-// 0=29.97 (default), 1=24, 2=25, 3=30, 4=23.98
+// 0=29.97 (default), 1=24, 2=25, 3=30, 4=23.976 (aka 23.98)
 static float get_scc_fps(int scc_framerate)
 {
 	switch (scc_framerate)
diff --git a/src/rust/src/args.rs b/src/rust/src/args.rs
index e4cd9e33..ae1b8405 100644
--- a/src/rust/src/args.rs
+++ b/src/rust/src/args.rs
@@ -297,7 +297,7 @@ pub struct Args {
     #[arg(long="90090", verbatim_doc_comment, help_heading=OPTIONS_AFFECTING_INPUT_FILES)]
     pub mpeg90090: bool,
     /// Set the frame rate for Scenarist Closed Captioning (SCC) input parsing and output encoding.
-    /// Valid values: 23.98, 29.97 (default), 24, 25, 30
+    /// Valid values: 23.98/23.976, 29.97 (default)/29, 24, 25, 30
     /// Example: --scc-framerate 25
     #[arg(long="scc-framerate", verbatim_doc_comment, value_name="fps", help_heading=OPTIONS_AFFECTING_INPUT_FILES)]
     pub scc_framerate: Option<String>,
diff --git a/src/rust/src/parser.rs b/src/rust/src/parser.rs
index 5fecdccd..c104f200 100644
--- a/src/rust/src/parser.rs
+++ b/src/rust/src/parser.rs
@@ -2837,6 +2837,11 @@ pub mod tests {
         assert_eq!(options.scc_framerate, 4);
     }
     #[test]
+    fn test_scc_framerate_23_976() {
+        let (options, _) = parse_args(&["--scc-framerate", "23.976"]);
+        assert_eq!(options.scc_framerate, 4);
+    }
+    #[test]
     fn test_scc_framerate_24() {
         let (options, _) = parse_args(&["--scc-framerate", "24"]);
         assert_eq!(options.scc_framerate, 1);