diff --git a/src/amps/amps.c b/src/amps/amps.c
index ad2881d..98046a2 100644
--- a/src/amps/amps.c
+++ b/src/amps/amps.c
@@ -555,10 +555,10 @@ int amps_create(const char *kanal, enum amps_chan_type chan_type, const char *de
 	/* check if channel type matches channel number */
 	ct = amps_channel2type(atoi(kanal));
 	if (ct == CHAN_TYPE_CC && chan_type != CHAN_TYPE_PC && chan_type != CHAN_TYPE_CC_PC && chan_type != CHAN_TYPE_CC_PC_VC) {
-		LOGP(DAMPS, LOGL_NOTICE, "Channel number %s belongs to a control channel, but your channel type '%s' requires to be on a voice channel number. Some phone may reject this, but all my phones don't.\n", kanal, chan_type_long_name(chan_type));
+		LOGP(DAMPS, LOGL_NOTICE, "Channel number %s belongs to a control channel, but your channel type '%s' requires it to be on a voice channel number. Some phones may reject this, but all my phones don't.\n", kanal, chan_type_long_name(chan_type));
 	}
 	if (ct == CHAN_TYPE_VC && chan_type != CHAN_TYPE_VC) {
-		LOGP(DAMPS, LOGL_ERROR, "Channel number %s belongs to a voice channel, but your channel type '%s' requires to be on a control channel number. Please use correct channel.\n", kanal, chan_type_long_name(chan_type));
+		LOGP(DAMPS, LOGL_ERROR, "Channel number %s belongs to a voice channel, but your channel type '%s' requires it to be on a control channel number. Please use correct channel.\n", kanal, chan_type_long_name(chan_type));
 		return -EINVAL;
 	}
 	/* only even channels */
diff --git a/src/amps/dsp.c b/src/amps/dsp.c
index f0c5da2..ee7e667 100644
--- a/src/amps/dsp.c
+++ b/src/amps/dsp.c
@@ -964,7 +964,7 @@ void amps_set_dsp_mode(amps_t *amps, enum dsp_mode mode, int frame_length)
 	if (mode == DSP_MODE_AUDIO_RX_AUDIO_TX && amps->dsp_mode != mode)
 		jitter_reset(&amps->sender.dejitter);
 
-	LOGP_CHAN(DDSP, LOGL_DEBUG, "Reset FSK frame transmitter, due to setting dsp mode.\n");
+	LOGP_CHAN(DDSP, LOGL_DEBUG, "Reset FSK frame transmitter, due to setting DSP mode.\n");
 
 	amps->dsp_mode = mode;
 	if (frame_length)
diff --git a/src/amps/frame.c b/src/amps/frame.c
index 14bd856..1814343 100644
--- a/src/amps/frame.c
+++ b/src/amps/frame.c
@@ -3512,7 +3512,7 @@ int amps_encode_frame_focc(amps_t *amps, char *bits)
 	if (++amps->tx_focc_frame_count >= amps->si.overhead_repeat)
 		amps->tx_focc_frame_count = 0;
 	if (debug)
-		LOGP_CHAN(DFRAME, LOGL_INFO, "Subsequent system/filler frames are not show, to prevent flooding the output.\n");
+		LOGP_CHAN(DFRAME, LOGL_INFO, "Subsequent system/filler frames are not shown, to prevent flooding the output.\n");
 	amps->tx_focc_debugged = 1;
 
 send:
diff --git a/src/cnetz/telegramm.c b/src/cnetz/telegramm.c
index 0525f8a..7461e9b 100644
--- a/src/cnetz/telegramm.c
+++ b/src/cnetz/telegramm.c
@@ -1622,7 +1622,7 @@ const char *cnetz_encode_telegramm(cnetz_t *cnetz)
 		cnetz->sched_lr_debugged = 1;
 	if (opcode == OPCODE_MLR_M && !cnetz->sched_mlr_debugged) {
 		cnetz->sched_mlr_debugged = 1;
-		LOGP(DFRAME, LOGL_INFO, "Subsequent IDLE frames are not show, to prevent flooding the output.\n");
+		LOGP(DFRAME, LOGL_INFO, "Subsequent IDLE frames are not shown, to prevent flooding the output.\n");
 	}
 
 	return bits;
diff --git a/src/libsdr/sdr.c b/src/libsdr/sdr.c
index e322b5e..2ca153b 100644
--- a/src/libsdr/sdr.c
+++ b/src/libsdr/sdr.c
@@ -304,7 +304,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 			   This is correct, since there is no bandwidth
 			   below new center frequency.
 			 */
-			LOGP(DSDR, LOGL_INFO, "We shift center frequency %.0f KHz down (half bandwidth), to prevent channel from overlap with DC level.\n", bandwidth / 2.0 / 1e3);
+			LOGP(DSDR, LOGL_INFO, "We shift center frequency %.0f KHz down (half bandwidth), to prevent channel from overlapping with DC level.\n", bandwidth / 2.0 / 1e3);
 		} else {
 			/* find two channels that are aside the center */
 			double low_dist = 0, high_dist = 0, dist;
@@ -342,7 +342,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 				tx_center_frequency =
 					((sdr->chan[low_c].tx_frequency) +
 					 (sdr->chan[high_c].tx_frequency)) / 2.0;
-				LOGP(DSDR, LOGL_INFO, "We move center freqeuency between the two channels in the middle, to prevent them from overlap with DC level.\n");
+				LOGP(DSDR, LOGL_INFO, "We move center frequency between the two channels in the middle, to prevent them from overlapping with DC level.\n");
 			}
 		}
 
@@ -354,7 +354,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 		low_side = (tx_center_frequency - tx_low_frequency) + bandwidth / 2.0;
 		high_side = (tx_high_frequency - tx_center_frequency) + bandwidth / 2.0;
 		range = ((low_side > high_side) ? low_side : high_side) * 2.0;
-		LOGP(DSDR, LOGL_INFO, "Total bandwidth (two side bands) for all TX Frequencies: %.0f Hz\n", range);
+		LOGP(DSDR, LOGL_INFO, "Total bandwidth (two sidebands) for all TX Frequencies: %.0f Hz\n", range);
 		if (range > samplerate * USABLE_BANDWIDTH) {
 			LOGP(DSDR, LOGL_NOTICE, "*******************************************************************************\n");
 			LOGP(DSDR, LOGL_NOTICE, "The required bandwidth of %.0f Hz exceeds %.0f%% of the sample rate.\n", range, USABLE_BANDWIDTH * 100.0);
@@ -430,7 +430,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 			   This is correct, since there is no bandwidth
 			   below new center frequency.
 			 */
-			LOGP(DSDR, LOGL_INFO, "We shift center frequency %.0f KHz down (half bandwidth), to prevent channel from overlap with DC level.\n", bandwidth / 2.0 / 1e3);
+			LOGP(DSDR, LOGL_INFO, "We shift center frequency %.0f KHz down (half bandwidth), to prevent channel from overlapping with DC level.\n", bandwidth / 2.0 / 1e3);
 		} else {
 			/* find two channels that are aside the center */
 			double low_dist, high_dist, dist;
@@ -454,7 +454,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 				rx_center_frequency =
 					((sdr->chan[low_c].rx_frequency) +
 					 (sdr->chan[high_c].rx_frequency)) / 2.0;
-				LOGP(DSDR, LOGL_INFO, "We move center freqeuency between the two channels in the middle, to prevent them from overlap with DC level.\n");
+				LOGP(DSDR, LOGL_INFO, "We move center frequency between the two channels in the middle, to prevent them from overlapping with DC level.\n");
 			}
 		}
 
@@ -466,7 +466,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 		low_side = (rx_center_frequency - rx_low_frequency) + bandwidth / 2.0;
 		high_side = (rx_high_frequency - rx_center_frequency) + bandwidth / 2.0;
 		range = ((low_side > high_side) ? low_side : high_side) * 2.0;
-		LOGP(DSDR, LOGL_INFO, "Total bandwidth (two side bands) for all RX Frequencies: %.0f Hz\n", range);
+		LOGP(DSDR, LOGL_INFO, "Total bandwidth (two sidebands) for all RX Frequencies: %.0f Hz\n", range);
 		if (range > samplerate * USABLE_BANDWIDTH) {
 			LOGP(DSDR, LOGL_NOTICE, "*******************************************************************************\n");
 			LOGP(DSDR, LOGL_NOTICE, "The required bandwidth of %.0f Hz exceeds %.0f%% of the sample rate.\n", range, USABLE_BANDWIDTH * 100.0);
@@ -484,7 +484,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 			if (am[c])
 				rc = am_demod_init(&sdr->chan[c].am_demod, samplerate, rx_offset, bandwidth / 2.0, 1.0 / modulation_index); /* bandwidth is only one side band */
 			else
-				rc = fm_demod_init(&sdr->chan[c].fm_demod, samplerate, rx_offset, bandwidth); /* bandwidth are deviation and both side bands */
+				rc = fm_demod_init(&sdr->chan[c].fm_demod, samplerate, rx_offset, bandwidth); /* bandwidth are deviation and both sidebands */
 			if (rc < 0)
 				goto error;
 		}
@@ -522,7 +522,7 @@ void *sdr_open(int __attribute__((__unused__)) direction, const char __attribute
 	display_iq_init(samplerate);
 	display_spectrum_init(samplerate, rx_center_frequency);
 
-	LOGP(DSDR, LOGL_INFO, "Using local oscillator offseet: %.0f Hz\n", sdr_config->lo_offset);
+	LOGP(DSDR, LOGL_INFO, "Using local oscillator offset: %.0f Hz\n", sdr_config->lo_offset);
 
 #ifdef HAVE_UHD
 	if (sdr_config->uhd) {
diff --git a/src/nmt/nmt.c b/src/nmt/nmt.c
index a0ee610..b319c47 100644
--- a/src/nmt/nmt.c
+++ b/src/nmt/nmt.c
@@ -1790,7 +1790,7 @@ const char *nmt_get_frame(nmt_t *nmt)
 	if (debug)
 		LOGP_CHAN(DNMT, LOGL_DEBUG, "Sending frame %s.\n", nmt_frame_name(frame.mt));
 	if (debug && nmt->tx_last_frame_idle)
-		LOGP_CHAN(DNMT, LOGL_DEBUG, "Subsequent IDLE frames are not show, to prevent flooding the output.\n");
+		LOGP_CHAN(DNMT, LOGL_DEBUG, "Subsequent IDLE frames are not shown, to prevent flooding the output.\n");
 	return bits;
 }
 
diff --git a/src/r2000/r2000.c b/src/r2000/r2000.c
index 19cc047..d8d653e 100644
--- a/src/r2000/r2000.c
+++ b/src/r2000/r2000.c
@@ -1227,7 +1227,7 @@ const char *r2000_get_frame(r2000_t *r2000)
 	if (debug)
 		LOGP_CHAN(DR2000, LOGL_DEBUG, "Sending frame %s.\n", r2000_frame_name(frame.message, REL_TO_SM));
 	if (debug && r2000->tx_last_frame_idle)
-		LOGP_CHAN(DR2000, LOGL_DEBUG, "Subsequent IDLE frames are not show, to prevent flooding the output.\n");
+		LOGP_CHAN(DR2000, LOGL_DEBUG, "Subsequent IDLE frames are not shown, to prevent flooding the output.\n");
 	return bits;
 }