diff --git a/daemons/lvmpolld/lvmpolld-data-utils.h b/daemons/lvmpolld/lvmpolld-data-utils.h
index eeae4137c..44ee3ca09 100644
--- a/daemons/lvmpolld/lvmpolld-data-utils.h
+++ b/daemons/lvmpolld/lvmpolld-data-utils.h
@@ -66,7 +66,7 @@ struct lvmpolld_lv {
 
 	/* block of shared variables protected by lock */
 	struct lvmpolld_cmd_stat cmd_state;
-	unsigned init_rq_count; /* for debuging purposes only */
+	unsigned init_rq_count; /* for debugging purposes only */
 	unsigned polling_finished:1; /* no more updates */
 	unsigned error:1; /* unrecoverable error occured in lvmpolld */
 };
diff --git a/device_mapper/libdm-string.c b/device_mapper/libdm-string.c
index 62629c7ab..85f1ff403 100644
--- a/device_mapper/libdm-string.c
+++ b/device_mapper/libdm-string.c
@@ -192,7 +192,7 @@ int dm_asprintf(char **result, const char *format, ...)
 }
 
 /*
- * Count occurences of 'c' in 'str' until we reach a null char.
+ * Count occurrences of 'c' in 'str' until we reach a null char.
  *
  * Returns:
  *  len - incremented for each char we encounter.
diff --git a/libdm/libdm-string.c b/libdm/libdm-string.c
index 154222909..a445dcb92 100644
--- a/libdm/libdm-string.c
+++ b/libdm/libdm-string.c
@@ -192,7 +192,7 @@ int dm_asprintf(char **result, const char *format, ...)
 }
 
 /*
- * Count occurences of 'c' in 'str' until we reach a null char.
+ * Count occurrences of 'c' in 'str' until we reach a null char.
  *
  * Returns:
  *  len - incremented for each char we encounter.
diff --git a/test/Makefile.in b/test/Makefile.in
index 20e97ebd0..a1eac5ccb 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -110,7 +110,7 @@ help:
 	@echo "  LVM_TEST_LOCKING	Normal (1), Cluster (3)."
 	@echo "  LVM_TEST_LVMPOLLD	Start lvmpolld"
 	@echo "  LVM_TEST_NODEBUG	Do not debug lvm commands."
-	@echo "  LVM_TEST_PARALLEL	May skip agresive wipe of LVMTEST resources."
+	@echo "  LVM_TEST_PARALLEL	May skip agressive wipe of LVMTEST resources."
 	@echo "  LVM_TEST_RESULTS	Where to create result files [results]."
 	@echo "  LVM_TEST_THIN_CHECK_CMD   Command for thin_check   [$(LVM_TEST_THIN_CHECK_CMD)]."
 	@echo "  LVM_TEST_THIN_DUMP_CMD    Command for thin_dump    [$(LVM_TEST_THIN_DUMP_CMD)]."
@@ -126,7 +126,7 @@ help:
 	@echo "  LVM_VALGRIND_DMEVENTD	Enable valgrind testing of dmeventd (1)."
 	@echo "  LVM_VALGRIND_LVMPOLLD	Enable valgrind testing of lvmpolld (1)."
 	@echo "  LVM_STRACE		Enable strace logging."
-	@echo "  LVM_DEBUG_LEVEL	Sets debuging level for valgrind/strace (use > 0)."
+	@echo "  LVM_DEBUG_LEVEL	Sets debugging level for valgrind/strace (use > 0)."
 	@echo "  LVM_DEBUG_LVMDBUS	Run lvmdbus with --debug option."
 	@echo "  LVM_VERIFY_UDEV	Default verify state for lvm.conf."
 	@echo "  LVM_LOG_FILE_MAX_LINES	Maximum number of logged lines for lvm2 command [1000000]."
diff --git a/test/lib/aux.sh b/test/lib/aux.sh
index 34529e80c..adbc333e3 100644
--- a/test/lib/aux.sh
+++ b/test/lib/aux.sh
@@ -24,7 +24,7 @@ expect_failure() {
 }
 
 check_daemon_in_builddir() {
-	# skip if we don't have our own deamon...
+	# skip if we don't have our own daemon...
 	if test -z "${installed_testsuite+varset}"; then
 		(which "$1" 2>/dev/null | grep "$abs_builddir" >/dev/null ) || skip "$1 is not in executed path."
 	fi