diff --git a/powercap-pl-rules.sh b/powercap-pl-rules.sh
index 267a71f..0c0d931 100755
--- a/powercap-pl-rules.sh
+++ b/powercap-pl-rules.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
-# powercap-pl-rules.sh — one-shot installer for RAPL access (adlermon).
+# powercap-pl-rules.sh - one-shot installer for RAPL access (adlermon).
 #
 # RAPL energy_uj is 0400 root-only on this kernel, which gates the power
 # panel. This installs a udev rule + helper so any user in group `adm`
@@ -24,7 +24,7 @@ exit 0
 EOF
 chmod 0755 "$HELPER"
 
-# RUN+= (not MODE=/GROUP=) — powercap has no devnode, so udev's standard
+# RUN+= (not MODE=/GROUP=) - powercap has no devnode, so udev's standard
 # MODE/GROUP assignment doesn't apply; we chmod in-process instead.
 cat > "$RULE" <<EOF
 SUBSYSTEM=="powercap", ACTION=="add", RUN+="$HELPER"