Fix a few minor typos/formatting issues with comments

See spf13#350

viper.go

@@ -69,8 +69,7 @@ func (str UnsupportedConfigError) Error() string {
 }
 
 // UnsupportedRemoteProviderError denotes encountering an unsupported remote
-// provider. Currently only etcd and Consul are
-// supported.
+// provider. Currently only etcd and Consul are supported.
 type UnsupportedRemoteProviderError string
 
 // Error returns the formatted remote provider error.
@@ -283,8 +282,8 @@ func (v *Viper) WatchConfig() {
 	}()
 }
 
-// SetConfigFile explicitly defines the path, name and extension of the config file
-// Viper will use this and not check any of the config paths
+// SetConfigFile explicitly defines the path, name and extension of the config file.
+// Viper will use this and not check any of the config paths.
 func SetConfigFile(in string) { v.SetConfigFile(in) }
 func (v *Viper) SetConfigFile(in string) {
 	if in != "" {
@@ -293,8 +292,8 @@ func (v *Viper) SetConfigFile(in string) {
 }
 
 // SetEnvPrefix defines a prefix that ENVIRONMENT variables will use.
-// E.g. if your prefix is "spf", the env registry
-// will look for env. variables that start with "SPF_"
+// E.g. if your prefix is "spf", the env registry will look for env
+// variables that start with "SPF_".
 func SetEnvPrefix(in string) { v.SetEnvPrefix(in) }
 func (v *Viper) SetEnvPrefix(in string) {
 	if in != "" {
@@ -312,19 +311,19 @@ func (v *Viper) mergeWithEnvPrefix(in string) string {
 
 // TODO: should getEnv logic be moved into find(). Can generalize the use of
 // rewriting keys many things, Ex: Get('someKey') -> some_key
-// (cammel case to snake case for JSON keys perhaps)
+// (camel case to snake case for JSON keys perhaps)
 
 // getEnv is a wrapper around os.Getenv which replaces characters in the original
 // key. This allows env vars which have different keys than the config object
-// keys
+// keys.
 func (v *Viper) getEnv(key string) string {
 	if v.envKeyReplacer != nil {
 		key = v.envKeyReplacer.Replace(key)
 	}
 	return os.Getenv(key)
 }
 
-// ConfigFileUsed returns the file used to populate the config registry
+// ConfigFileUsed returns the file used to populate the config registry.
 func ConfigFileUsed() string            { return v.ConfigFileUsed() }
 func (v *Viper) ConfigFileUsed() string { return v.configFile }
 
@@ -815,7 +814,7 @@ func (v *Viper) BindFlagValues(flags FlagValueSet) (err error) {
 }
 
 // BindFlagValue binds a specific key to a FlagValue.
-// Example(where serverCmd is a Cobra instance):
+// Example (where serverCmd is a Cobra instance):
 //
 //	 serverCmd.Flags().Int("port", 1138, "Port to run Application server on")
 //	 Viper.BindFlagValue("port", serverCmd.Flags().Lookup("port"))
@@ -1288,7 +1287,7 @@ func (v *Viper) WatchRemoteConfigOnChannel() error {
 	return v.watchKeyValueConfigOnChannel()
 }
 
-// Unmarshall a Reader into a map.
+// Unmarshal a Reader into a map.
 // Should probably be an unexported function.
 func unmarshalReader(in io.Reader, c map[string]interface{}) error {
 	return v.unmarshalReader(in, c)