diff --git a/README.md b/README.md
index dbcd7d860..895e3c9a9 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ that scripts can be easily transferred between platforms.
 ## Documentation
 uutils has both user and developer documentation available:
 
-- [User Manual](https://uutils.github.io/coreutils/book/)
+- [User Manual](https://uutils.github.io/coreutils/docs/)
 - [Developer Documentation](https://docs.rs/crate/coreutils/)
 
 Both can also be generated locally, the instructions for that can be found in
@@ -302,7 +302,7 @@ make PREFIX=/my/path uninstall
 
 Below is the evolution of how many GNU tests uutils passes. A more detailed
 breakdown of the GNU test results of the main branch can be found
-[in the user manual](https://uutils.github.io/coreutils/book/test_coverage.html).
+[in the user manual](https://uutils.github.io/coreutils/docs/test_coverage.html).
 
 See <https://github.com/orgs/uutils/projects/1> for the main meta bugs
 (many are missing).
diff --git a/src/uu/cksum/src/cksum.rs b/src/uu/cksum/src/cksum.rs
index c5c362c59..312e4355f 100644
--- a/src/uu/cksum/src/cksum.rs
+++ b/src/uu/cksum/src/cksum.rs
@@ -436,23 +436,27 @@ pub fn uu_app() -> Command {
                 .long(options::LENGTH)
                 .value_parser(value_parser!(usize))
                 .short('l')
-                .help("digest length in bits; must not exceed the max for the blake2 algorithm and must be a multiple of 8")
+                .help(
+                    "digest length in bits; must not exceed the max for the blake2 algorithm \
+                    and must be a multiple of 8",
+                )
                 .action(ArgAction::Set),
         )
         .arg(
             Arg::new(options::RAW)
-            .long(options::RAW)
-            .help("emit a raw binary digest, not hexadecimal")
-            .action(ArgAction::SetTrue),
+                .long(options::RAW)
+                .help("emit a raw binary digest, not hexadecimal")
+                .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(options::BASE64)
-            .long(options::BASE64)
-            .help("emit a base64 digest, not hexadecimal")
-            .action(ArgAction::SetTrue)
-            // Even though this could easily just override an earlier '--raw',
-            // GNU cksum does not permit these flags to be combined:
-            .conflicts_with(options::RAW),
+                .long(options::BASE64)
+                .short('b')
+                .help("emit a base64 digest, not hexadecimal")
+                .action(ArgAction::SetTrue)
+                // Even though this could easily just override an earlier '--raw',
+                // GNU cksum does not permit these flags to be combined:
+                .conflicts_with(options::RAW),
         )
         .after_help(AFTER_HELP)
 }
diff --git a/tests/by-util/test_cksum.rs b/tests/by-util/test_cksum.rs
index 818b7e799..71b32bdfa 100644
--- a/tests/by-util/test_cksum.rs
+++ b/tests/by-util/test_cksum.rs
@@ -379,13 +379,15 @@ fn test_base64_raw_conflicts() {
 #[test]
 fn test_base64_single_file() {
     for algo in ALGOS {
-        new_ucmd!()
-            .arg("--base64")
-            .arg("lorem_ipsum.txt")
-            .arg(format!("--algorithm={algo}"))
-            .succeeds()
-            .no_stderr()
-            .stdout_is_fixture_bytes(format!("base64/{algo}_single_file.expected"));
+        for base64_option in ["--base64", "-b"] {
+            new_ucmd!()
+                .arg(base64_option)
+                .arg("lorem_ipsum.txt")
+                .arg(format!("--algorithm={algo}"))
+                .succeeds()
+                .no_stderr()
+                .stdout_is_fixture_bytes(format!("base64/{algo}_single_file.expected"));
+        }
     }
 }
 #[test]
diff --git a/tests/by-util/test_cut.rs b/tests/by-util/test_cut.rs
index 50d158f96..86d3ddf0f 100644
--- a/tests/by-util/test_cut.rs
+++ b/tests/by-util/test_cut.rs
@@ -117,6 +117,17 @@ fn test_whitespace_with_char() {
         .code_is(1);
 }
 
+#[test]
+fn test_delimiter_with_byte_and_char() {
+    for conflicting_arg in ["-c", "-b"] {
+        new_ucmd!()
+            .args(&[conflicting_arg, COMPLEX_SEQUENCE.sequence, "-d="])
+            .fails()
+            .stderr_is("cut: invalid input: The '--delimiter' ('-d') option only usable if printing a sequence of fields\n")
+            .code_is(1);
+    }
+}
+
 #[test]
 fn test_too_large() {
     new_ucmd!()
@@ -289,6 +300,13 @@ fn test_multiple_mode_args() {
     }
 }
 
+#[test]
+fn test_no_argument() {
+    new_ucmd!().fails().stderr_is(
+        "cut: invalid usage: expects one of --fields (-f), --chars (-c) or --bytes (-b)\n",
+    );
+}
+
 #[test]
 #[cfg(unix)]
 fn test_8bit_non_utf8_delimiter() {