Fix minor doc issues

shard.yml

@@ -5,6 +5,6 @@ authors:
   - bararchy <[email protected]>
   - Julien Reichardt <[email protected]>
 
-crystal: 0.24.2
+crystal: 0.25.1
 
 license: MIT

src/hardware/net.cr

@@ -5,8 +5,8 @@
 # net = Hardware::Net.new # System network stats
 # old_in, old_out = net.in_octets, net.out_octets
 # loop do
-#   net = Hardware::Net.new # Update network stats
 #   sleep 1
+#   net = Hardware::Net.new # Update network stats
 #   now_in, now_out = net.in_octets, net.out_octets
 #   puts "down: #{(now_in - old_in) / 1000}kB/s | up: #{(now_out - old_out) / 1000}kB/s" # => down: 427kB/s | up: 24kB/s
 #   old_in, old_out = now_in, now_out
@@ -42,7 +42,7 @@ struct Hardware::Net
                   OutMcastOctets
                   InBcastOctets
                   OutBcastOctets
-                  InCsumEsrrors
+                  InCsumErrors
                   InNoEctPkts
                   InEct1Pkts
                   InEct0Pkts

src/hardware/pid.cr

@@ -55,8 +55,7 @@ struct Hardware::PID
   def self.get_pids(executable : String)
     pids = Array(Int32).new
     all(cpu_time: false, cpu_total: false) do |pid|
-      pid_name = pid.name
-      pids << pid.pid if pid_name == executable
+      pids << pid.pid if pid.name == executable
     end
     pids
   end