docs(command): readability fixes (#3686)

Signed-off-by: Ryan Russell <git@ryanrussell.org>

Signed-off-by: Ryan Russell <git@ryanrussell.org>

weed/command/scaffold.go

@@ -22,7 +22,7 @@ var cmdScaffold = &Command{
 		export WEED_MYSQL_PASSWORD=some_password
 	Environment variable rules:
 		* Prefix the variable name with "WEED_"
-		* Upppercase the reset of variable name.
+		* Uppercase the reset of variable name.
 		* Replace '.' with '_'
 
   `,

weed/command/scaffold/filer.toml

@@ -314,7 +314,7 @@ dialTimeOut = 10
 # To add path-specific filer store:
 #
 # 1. Add a name following the store type separated by a dot ".". E.g., cassandra.tmp
-# 2. Add a location configuraiton. E.g., location = "/tmp/"
+# 2. Add a location configuration. E.g., location = "/tmp/"
 # 3. Copy and customize all other configurations.
 #     Make sure they are not the same if using the same store type!
 # 4. Set enabled to true

weed/command/scaffold/notification.toml

@@ -10,7 +10,7 @@
 # send and receive filer updates for each file to an external message queue
 ####################################################
 [notification.log]
-# this is only for debugging perpose and does not work with "weed filer.replicate"
+# this is only for debugging purpose and does not work with "weed filer.replicate"
 enabled = false