diff --git a/changelog.md b/changelog.md
index c1cd76b8..121a5065 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,13 @@
 ## Changelog
 
+#### v1.7.5
+
+* [usage] Added docs for exported fields in About struct
+
+#### v1.7.4
+
+* [fsutils] Added fs walker (bash `pushd`/`popd` analog)
+
 #### v1.7.3
 
 * `[fsutil]` Method `ListAbsolute` ranamed to `ListToAbsolute`
diff --git a/usage/usage.go b/usage/usage.go
index 481c6a82..6030b56c 100644
--- a/usage/usage.go
+++ b/usage/usage.go
@@ -26,14 +26,14 @@ const _SPACES = "
 
 // About contains info about application
 type About struct {
-	App     string
-	Version string
-	Release string
-	Build   string
-	Desc    string
-	Year    int
-	License string
-	Owner   string
+	App     string // App is application name
+	Version string // Version is current application version in semver notation
+	Release string // Release is current application release
+	Build   string // Build is current application build
+	Desc    string // Desc is short info about application
+	Year    int    // Year is year when owner complany was founded
+	License string // License is name of license
+	Owner   string // Owner is name of owner (company/developer)
 }
 
 // Info contains info about commands, options and examples