diff --git a/README b/README
index 53a90b6..24a78f8 100644
--- a/README
+++ b/README
@@ -6,7 +6,7 @@ NAME
        btw - battery watchdog
 
 SYNOPSIS
-       btw [-c|--crit value] [-p|--preriod seconds] [-l|--log file]
+       btw [-c|--crit level] [-p|--preriod seconds] [-l|--log file]
            [-j|--syslog] [-s|--summary text] [-b|--body text] [-w|--watch]
        btw --help
        btw --version
@@ -21,15 +21,17 @@ OPTIONS
        -h, --help
               Print this help message and exit.
 
-       -c, --crit value
-              Battery critical value in percents [default: 10]
+       -c, --crit level
+              Battery critical level in percents [default: 10]
 
        -p, --preriod seconds
               Battery check out period in seconds [default: 30]
 
        -l, --log file
-              Log file [default: ~/.cache/btw.log] -j, --syslog Use logger in-
-              stead of log file.
+              Log file [default: ~/.cache/btw.log]
+
+       -j, --syslog
+              Use logger instead of log file.
 
        -s, --summary text
               Custom notification title text.
@@ -41,7 +43,7 @@ OPTIONS
               Follow to the log file (tail -f).
 
 INVOKING
-       Run  watchdog in background. See application autostart options for your
+       Run watchdog in background. See application autostart options for  your
        desktop environment or init system. For example add in your ~/.xinitrc:
 
            btw &
@@ -79,13 +81,13 @@ LOGGING
 
 EXAMPLES
        btw will send notification at every battery checkout while current bat-
-       tery  level  is  lower than critical value. For example, with following
+       tery level is lower than critical level. For  example,  with  following
        command:
 
            btw -c 15 -p 30
 
-       you will recieve notification every 30 seconds until battery  is  under
-       10%.   You can set up custom notification text via --summary and --body
+       you  will  recieve notification every 30 seconds until battery is under
+       15%.  You can set up custom notification text via --summary and  --body
        options.
 
        Variables can be used in notification:
diff --git a/btw b/btw
index 40909bc..88db8eb 100755
--- a/btw
+++ b/btw
@@ -44,10 +44,10 @@ print_help() {
 "btw - battery watchdog. Send notification when critical battery level reached.
 
 Usage:
-    btw [-c|--crit \033[4mvalue\033[0m] [-p|--preriod \033[4mseconds\033[0m] \
+    btw [-c|--crit \033[4mlevel\033[0m] [-p|--preriod \033[4mseconds\033[0m] \
 [-l|--log \033[4mfile\033[0m]
-        [-j|--syslog] [-s|--summary t\033[4mext\033[0m] \
-[-b|--body t\033[4mext\033[0m] [-w|--watch]
+        [-j|--syslog] [-s|--summary \033[4mtext\033[0m] \
+[-b|--body \033[4mtext\033[0m] [-w|--watch]
     btw --help
     btw --version
 
@@ -58,8 +58,8 @@ Options:
     -h, --help
           Print this help message and exit.
 
-    -c, --crit \033[4mvalue\033[0m
-          Battery critical value in percents [default: 10]
+    -c, --crit \033[4mlevel\033[0m
+          Battery critical level in percents [default: 10]
 
     -p, --preriod \033[4mseconds\033[0m
           Battery check out period in seconds [default: 30]
diff --git a/btw.1 b/btw.1
index 34758d6..a544d59 100644
--- a/btw.1
+++ b/btw.1
@@ -6,7 +6,7 @@
 btw \- battery watchdog
 .SH SYNOPSIS
 .SY btw
-.OP \-c|\-\-crit value
+.OP \-c|\-\-crit level
 .OP \-p|\-\-preriod seconds
 .OP \-l|\-\-log file
 .OP \-j|\-\-syslog
@@ -28,14 +28,15 @@ Print version and exit.
 \fB\-h\fR, \fB\-\-help\fR
 Print this help message and exit.
 .TP
-\fB\-c\fR, \fB\-\-crit\fR \fIvalue\fR
-Battery critical value in percents [default: 10]
+\fB\-c\fR, \fB\-\-crit\fR \fIlevel\fR
+Battery critical level in percents [default: 10]
 .TP
 \fB\-p\fR, \fB\-\-preriod\fR \fIseconds\fR
 Battery check out period in seconds [default: 30]
 .TP
 \fB\-l\fR, \fB\-\-log\fR \fIfile\fR
 Log file [default: ~/.cache/btw.log]
+.TP
 \fB\-j\fR, \fB\-\-syslog\fR
 Use logger instead of log file.
 .TP
@@ -103,7 +104,7 @@ journalctl -t btw -f
 .SH EXAMPLES
 .B btw
 will send notification at every battery checkout while current battery
-level is lower than critical value. For example, with following command:
+level is lower than critical level. For example, with following command:
 .PP
 .in +4m
 .EX
@@ -111,7 +112,7 @@ btw -c 15 -p 30
 .EE
 .in
 .PP
-you will recieve notification every 30 seconds until battery is under 10%.
+you will recieve notification every 30 seconds until battery is under 15%.
 You can set up custom notification text via --summary and --body options.
 .PP
 Variables can be used in notification: