diff --git a/functions/check_dead.sh b/functions/check_dead.sh
index 5f4be40ee..73bd95167 100644
--- a/functions/check_dead.sh
+++ b/functions/check_dead.sh
@@ -152,17 +152,17 @@ find_dead() {
 }
 
 # Function 'log_event' logs domain processing events into the domain log.
-# $1: domains to log stored in a variable.
-# $2: event type (dead, whitelisted, etc.)
-# $3: source
+#   $1: domains to log stored in a variable.
+#   $2: event type (dead, whitelisted, etc.)
+#   $3: source
 log_event() {
     printf "%s\n" "$1" | awk -v type="$2" -v source="$3" -v time="$(date -u +"%H:%M:%S %d-%m-%y")" \
         '{print time "," type "," $0 "," source}' >> "$DOMAIN_LOG"
 }
 
-# Function 'format_file' calls a shell wrapper to
-# standardize the format of a file.
-# $1: file to format
+# Function 'format_file' calls a shell wrapper to standardize the format
+# of a file.
+#   $1: file to format
 format_file() {
     bash functions/tools.sh format "$1"
 }
diff --git a/functions/check_parked.sh b/functions/check_parked.sh
index 86c20766f..1ea3d3872 100644
--- a/functions/check_parked.sh
+++ b/functions/check_parked.sh
@@ -133,17 +133,17 @@ find_parked() {
 }
 
 # Function 'log_event' logs domain processing events into the domain log.
-# $1: domains to log stored in a variable
-# $2: event type (dead, whitelisted, etc.)
-# $3: source
+#   $1: domains to log stored in a variable.
+#   $2: event type (dead, whitelisted, etc.)
+#   $3: source
 log_event() {
     printf "%s\n" "$1" | awk -v type="$2" -v source="$3" -v time="$(date -u +"%H:%M:%S %d-%m-%y")" \
         '{print time "," type "," $0 "," source}' >> "$DOMAIN_LOG"
 }
 
-# Function 'format_file' calls a shell wrapper to
-# standardize the format of a file.
-# $1: file to format
+# Function 'format_file' calls a shell wrapper to standardize the format
+# of a file.
+#   $1: file to format
 format_file() {
     bash functions/tools.sh format "$1"
 }
diff --git a/functions/retrieve_domains.sh b/functions/retrieve_domains.sh
index cdd763629..2e9c2886d 100644
--- a/functions/retrieve_domains.sh
+++ b/functions/retrieve_domains.sh
@@ -252,16 +252,6 @@ decide_exit() {
     fi
 }
 
-# Function 'log_event' logs domain processing events into the domain log.
-# $1: domains to log stored in a variable
-# $2: event type (dead, whitelisted, etc.)
-# $3: source
-log_event() {
-    [[ -n "$3" ]] && local source="$3"
-    printf "%s\n" "$1" | awk -v type="$2" -v source="$source" -v time="$TIME_FORMAT" \
-        '{print time "," type "," $0 "," source}' >> "$DOMAIN_LOG"
-}
-
 # Function 'log_source' prints and logs statistics for each source.
 # The variables should be declared before running this function,
 # otherwise, the default values are used.
@@ -287,9 +277,18 @@ ${query_count:-0},${rate_limited:-false}",no >> "$SOURCE_LOG"
     printf "%s\n" "----------------------------------------------------------------------"
 }
 
-# Function 'format_file' calls a shell wrapper to
-# standardize the format of a file.
-# $1: file to format
+# Function 'log_event' logs domain processing events into the domain log.
+#   $1: domains to log stored in a variable.
+#   $2: event type (dead, whitelisted, etc.)
+#   $3: source
+log_event() {
+    printf "%s\n" "$1" | awk -v type="$2" -v source="$3" -v time="$(date -u +"%H:%M:%S %d-%m-%y")" \
+        '{print time "," type "," $0 "," source}' >> "$DOMAIN_LOG"
+}
+
+# Function 'format_file' calls a shell wrapper to standardize the format
+# of a file.
+#   $1: file to format
 format_file() {
     bash functions/tools.sh format "$1"
 }
diff --git a/functions/validate_raw.sh b/functions/validate_raw.sh
index 42f162d01..4c10a3a28 100644
--- a/functions/validate_raw.sh
+++ b/functions/validate_raw.sh
@@ -159,17 +159,17 @@ validate_raw() {
 }
 
 # Function 'log_event' logs domain processing events into the domain log.
-# $1: domains to log stored in a variable
-# $2: event type (dead, whitelisted, etc.)
-# $3: source
+#   $1: domains to log stored in a variable.
+#   $2: event type (dead, whitelisted, etc.)
+#   $3: source
 log_event() {
     printf "%s\n" "$1" | awk -v type="$2" -v source="$3" -v time="$(date -u +"%H:%M:%S %d-%m-%y")" \
         '{print time "," type "," $0 "," source}' >> "$DOMAIN_LOG"
 }
 
-# Function 'format_file' calls a shell wrapper to
-# standardize the format of a file.
-# $1: file to format
+# Function 'format_file' calls a shell wrapper to standardize the format
+# of a file.
+#   $1: file to format
 format_file() {
     bash functions/tools.sh format "$1"
 }