diff --git a/maps.go b/maps.go
index cddd4a4..85dac88 100644
--- a/maps.go
+++ b/maps.go
@@ -1,6 +1,6 @@
 package generics
 
-// MapPairs returns list of map's key-value pairs
+// MapPairs returns list of map's key-value pairs.
 func MapPairs[K comparable, V any](src map[K]V) Pairs[K, V] {
 	dst := make([]Pair[K, V], len(src))
 	idx := 0
@@ -14,7 +14,7 @@ func MapPairs[K comparable, V any](src map[K]V) Pairs[K, V] {
 	return dst
 }
 
-// MapKeys returns list of map's keys
+// MapKeys returns list of map's keys.
 func MapKeys[K comparable, V any](src map[K]V) []K {
 	dst := make([]K, len(src))
 	idx := 0
@@ -25,7 +25,7 @@ func MapKeys[K comparable, V any](src map[K]V) []K {
 	return dst
 }
 
-// MapValues returns list of map's values
+// MapValues returns list of map's values.
 func MapValues[K comparable, V any](src map[K]V) []V {
 	dst := make([]V, len(src))
 	idx := 0
@@ -36,7 +36,7 @@ func MapValues[K comparable, V any](src map[K]V) []V {
 	return dst
 }
 
-// InvertMap returns map with keys and values swapped
+// InvertMap returns map with keys and values swapped.
 func InvertMap[K, V comparable](src map[K]V) map[V]K {
 	if src == nil {
 		return nil
diff --git a/ptr.go b/ptr.go
index 2e91747..431fdae 100644
--- a/ptr.go
+++ b/ptr.go
@@ -1,11 +1,11 @@
 package generics
 
-// Ptr returns pointer for given value
+// Ptr returns pointer for given value.
 func Ptr[T any](val T) *T {
 	return &val
 }
 
-// Val returns value of given pointer or default value if pointer is nil
+// Val returns value of given pointer or default value if pointer is nil.
 func Val[T any](ptr *T) T {
 	var val T
 	if ptr != nil {
@@ -14,7 +14,7 @@ func Val[T any](ptr *T) T {
 	return val
 }
 
-// Fallback returns value of given pointer or fallback value if pointer is nil
+// Fallback returns value of given pointer or fallback value if pointer is nil.
 func Fallback[T any](ptr *T, fallback T) T {
 	if ptr != nil {
 		return *ptr