diff --git a/README.md b/README.md
index cd3f3c5..c09822c 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ The library uses [`@gravity-ui/unipika`](https://github.com/gravity-ui/unipika)
 
 - virtualization
 - two scroll modes: window scroll and container scroll
-- collaps/expand objects/arrays
+- collapse/expand objects/arrays
 - search substring of key/value (case-sensitive and case-insensitive)
 - render one literal per line
   - long strings are truncated by ellipsis
@@ -64,7 +64,7 @@ function renderJson(data: any) {
 ## YSON notice
 
 The library does not support YSON-format "as is", i.e. it is impossible to use/parse YSON data.
-But it provides the way to render JSON-objects as YSON, such JSON-objects has reserver field names like `$attributes`, `$value`.
+But it provides the way to render JSON-objects as YSON, such JSON-objects has reserved field names like `$attributes`, `$value`.
 
 See more examples in [storybook](https://preview.yandexcloud.dev/react-unipika).
 
diff --git a/src/utils/flattenUnipika.ts b/src/utils/flattenUnipika.ts
index e9f6409..7a5e471 100644
--- a/src/utils/flattenUnipika.ts
+++ b/src/utils/flattenUnipika.ts
@@ -140,7 +140,7 @@ function flattenUnipikaJsonImpl(value: UnipikaValue, level = 0, ctx: FlatContext
     const itemPathIndex = isObjectLike(type) ? beforeAttrs - 1 : ctx.dst.length;
 
     const isCollapsed = isPathCollapsed(ctx);
-    const isContainerType = isValueContainenrType(value);
+    const isContainerType = isValueContainerType(value);
 
     let containerSize = 0;
 
@@ -269,7 +269,7 @@ function flattenUnipikaYsonImpl(value: UnipikaValue, level = 0, ctx: FlatContext
     let hasAttributes = false;
     let valueLevel = level;
 
-    const isContainerType = isValueContainenrType(value);
+    const isContainerType = isValueContainerType(value);
     let containerSize = 0;
 
     const isCollapsed = isPathCollapsed(ctx);
@@ -350,7 +350,7 @@ function popPath(ctx: FlatContext) {
     }
 }
 
-function isValueContainenrType(value: UnipikaValue) {
+function isValueContainerType(value: UnipikaValue) {
     return value.$type === 'map' || value.$type === 'list';
 }