diff --git a/docs/uSTL/index.md b/docs/uSTL/index.md
index a76769c..9b47533 100644
--- a/docs/uSTL/index.md
+++ b/docs/uSTL/index.md
@@ -4,4 +4,4 @@
 `uSTL` package is ...
 --}
 
-Inder dev!
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+Under development!
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diff --git a/docs/useful_classes/udict.md b/docs/useful_classes/udict.md
index 567da2b..0b8333f 100644
--- a/docs/useful_classes/udict.md
+++ b/docs/useful_classes/udict.md
@@ -27,10 +27,10 @@ class UDict(*, default: CDV, **kwargs: VT)
 !!! note "UDict as generic"
     You can use `UDict` as `Generic`, because of it, there are 3 `TypeVar`s: KT, VT, CDV.
 
-    KT and VT is key type and value type. In inbuilt `dict` there are KT and VT type vars.
-    CDV is class defaul value.
+    KT and VT are key type and value type. In inbuilt `dict` there are KT and VT type vars.
+    CDV is class default value.
 
-    In this documentation KT, VT and CDV will be using in methods.
+    In this documentation KT, VT and CDV will be used in methods.
 
 Create UDict object. If `default`, when not existent keys is given in
 getting item, method will return `default`.
diff --git a/docs/useful_classes/ustack.md b/docs/useful_classes/ustack.md
index c8c8a98..5c17faa 100644
--- a/docs/useful_classes/ustack.md
+++ b/docs/useful_classes/ustack.md
@@ -9,4 +9,4 @@ tags:
 # class UStack[VT]
 --}
 
-UStack is deprecated in 0.2 and will be deleted in 0.5. Use [`ustl.Stack`](../uSTL/stack.md) class instead.
+UStack is deprecated in version 0.2 and will be deleted in version 0.5. Use [`uSTL.Stack`](../uSTL/stack.md) class instead.
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