diff --git a/modutils/modutils-24.c b/modutils/modutils-24.c
index 37c303f90..290738f21 100644
--- a/modutils/modutils-24.c
+++ b/modutils/modutils-24.c
@@ -53,7 +53,7 @@
  *   New implementation contributed by Richard Henderson <rth@tamu.edu>
  *   Based on original work by Bjorn Ekwall <bj0rn@blox.se>
  *   Restructured (and partly rewritten) by:
- *   Björn Ekwall <bj0rn@blox.se> February 1999
+ *   Björn Ekwall <bj0rn@blox.se> February 1999
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index 3ec473c6b..f98ac7537 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -86,7 +86,7 @@ static unsigned long get_netmask(unsigned long ipaddr)
 # if ENABLE_FEATURE_IPCALC_FANCY
 		"prefix\0"    No_argument "p" // prefix from IP[/prefix] [netmask]
 		"hostname\0"  No_argument "h" // hostname from IP
-		"silent\0"    No_argument "s" // don’t ever display error messages
+		"silent\0"    No_argument "s" // don't ever display error messages
 # endif
 		;
 # define GETOPT32 getopt32long
diff --git a/networking/telnetd.c b/networking/telnetd.c
index 880d3c63b..eca4e5136 100644
--- a/networking/telnetd.c
+++ b/networking/telnetd.c
@@ -1222,11 +1222,11 @@ static int test_net_to_pty_data_integrity(void)
 	expected_data = xmalloc(TESTDATA_SIZE);
 
 	/* Process input_data simulating net_to_pty transformations:
-	 * - IAC IAC → single IAC
-	 * - IAC SB TELOPT_NAWS [4 bytes] IAC SE → stripped
-	 * - Other IAC sequences → stripped
-	 * - \r\n → \r (skip the \n)
-	 * - \r\0 → \r (skip the \0)
+	 * - IAC IAC -> single IAC
+	 * - IAC SB TELOPT_NAWS [4 bytes] IAC SE -> stripped
+	 * - Other IAC sequences -> stripped
+	 * - \r\n -> \r (skip the \n)
+	 * - \r\0 -> \r (skip the \0)
 	 */
 	memset(input_data + input_size, 0, 64);
 	expected_size = 0;
@@ -1235,7 +1235,7 @@ static int test_net_to_pty_data_integrity(void)
 		/* Tail of 64 extra zero bytes allows to safely read beyond the end */
 		if (input_data[i] == IAC) {
 			if (input_data[i + 1] == IAC) {
-				/* IAC IAC → single IAC */
+				/* IAC IAC -> single IAC */
 				expected_data[expected_size++] = IAC;
 				i += 2;
 				continue;
@@ -1450,7 +1450,7 @@ static int test_pty_to_net_data_integrity(void)
 	input_data = xzalloc(TESTDATA_SIZE);
 
 	/* Generate random data - this time we want lots of 0xFF (IAC) bytes
-	 * to test IAC escaping (IAC → IAC IAC)
+	 * to test IAC escaping (IAC -> IAC IAC)
 	 */
 	randbits = 0;
 	for (i = 0; i < TESTDATA_SIZE;) {
@@ -1483,7 +1483,7 @@ static int test_pty_to_net_data_integrity(void)
 	expected_data = xmalloc(TESTDATA_SIZE * 2);
 
 	/* Process input_data simulating pty_to_net transformations:
-	 * - IAC (0xFF) → IAC IAC (doubled)
+	 * - IAC (0xFF) -> IAC IAC (doubled)
 	 * - All other bytes pass through unchanged
 	 */
 	expected_size = 0;