diff --git a/src/basic/string-util.c b/src/basic/string-util.c
index 1715d62a39..9526443e50 100644
--- a/src/basic/string-util.c
+++ b/src/basic/string-util.c
@@ -698,7 +698,7 @@ char* strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]) {
                 STATE_OTHER,
                 STATE_ESCAPE,
                 STATE_CSI,
-                STATE_CSO,
+                STATE_OSC,
         } state = STATE_OTHER;
         _cleanup_(memstream_done) MemStream m = {};
         size_t isz, shift[2] = {}, n_carriage_returns = 0;
@@ -711,7 +711,7 @@ char* strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]) {
          *
          * 1. Replaces TABs by 8 spaces
          * 2. Strips ANSI color sequences (a subset of CSI), i.e. ESC '[' … 'm' sequences
-         * 3. Strips ANSI operating system sequences (CSO), i.e. ESC ']' … BEL sequences
+         * 3. Strips ANSI operating system sequences (OSC), i.e. ESC ']' … BEL sequences
          * 4. Strip trailing \r characters (since they would "move the cursor", but have no
          *    other effect).
          *
@@ -719,7 +719,7 @@ char* strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]) {
          * are any other special characters. Truncated ANSI sequences are left-as is too. This call is
          * supposed to suppress the most basic formatting noise, but nothing else.
          *
-         * Why care for CSO sequences? Well, to undo what terminal_urlify() and friends generate. */
+         * Why care for OSC sequences? Well, to undo what terminal_urlify() and friends generate. */
 
         isz = _isz ? *_isz : strlen(*ibuf);
 
@@ -766,8 +766,8 @@ char* strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]) {
                         } else if (*i == '[') { /* ANSI CSI */
                                 state = STATE_CSI;
                                 begin = i + 1;
-                        } else if (*i == ']') { /* ANSI CSO */
-                                state = STATE_CSO;
+                        } else if (*i == ']') { /* ANSI OSC */
+                                state = STATE_OSC;
                                 begin = i + 1;
                         } else {
                                 fputc('\x1B', f);
@@ -793,7 +793,7 @@ char* strip_tab_ansi(char **ibuf, size_t *_isz, size_t highlight[2]) {
 
                         break;
 
-                case STATE_CSO:
+                case STATE_OSC:
                         assert(n_carriage_returns == 0);
 
                         if (i >= *ibuf + isz || /* EOT … */