diff --git a/README.md b/README.md
index 413352c..0b01274 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
 # Goingecko
 
-Coingecko API client for golang.
-
 <p align="center">
     <img src="docs/images/goingecko_logo.png" alt="goingecko" height="200" />
 </p> 
diff --git a/api/coins/types/markets.go b/api/coins/types/markets.go
index a7d338f..ec117cb 100644
--- a/api/coins/types/markets.go
+++ b/api/coins/types/markets.go
@@ -9,7 +9,7 @@ type Market struct {
 	Image                                      string          `json:"image"`
 	CurrentPrice                               float64         `json:"current_price"`
 	MarketCap                                  float64         `json:"market_cap"`
-	MarkeCcapRank                              int64           `json:"market_cap_rank"`
+	MarketCapRank                              int64           `json:"market_cap_rank"`
 	FullyDilutedValuation                      float64         `json:"fully_diluted_valuation"`
 	TotalVolume                                float64         `json:"total_volume"`
 	HighDay                                    float64         `json:"high_24h"`
diff --git a/http/client.go b/http/client.go
index 2d29f13..0512590 100644
--- a/http/client.go
+++ b/http/client.go
@@ -65,10 +65,7 @@ func (c *Client) MakeReq(ctx context.Context, url string) ([]byte, error) {
 	}
 
 	if code != http.StatusOK {
-		return nil, &APIError{
-			StatusCode: code,
-			Body:       resp,
-		}
+		return nil, NewAPIError(code, resp)
 	}
 
 	return resp, nil
diff --git a/http/error.go b/http/error.go
index 5553ed3..7db6b55 100644
--- a/http/error.go
+++ b/http/error.go
@@ -11,3 +11,11 @@ type APIError struct {
 func (e *APIError) Error() string {
 	return fmt.Sprintf("api returned status code %d", e.StatusCode)
 }
+
+// NewAPIError returns a new APIError
+func NewAPIError(status int, body []byte) *APIError {
+	return &APIError{
+		StatusCode: status,
+		Body:       body,
+	}
+}
diff --git a/http/rateLimitedClient.go b/http/rateLimitedClient.go
index 7e00f4f..5dd6853 100644
--- a/http/rateLimitedClient.go
+++ b/http/rateLimitedClient.go
@@ -98,7 +98,7 @@ func (c *RateLimitedClient) MakeReq(ctx context.Context, url string) ([]byte, er
 			}
 			// Check if this is a 429 error (rate limit exceeded)
 			var apiErr *APIError
-			if errors.As(err, &apiErr) && apiErr.StatusCode == 429 {
+			if errors.As(err, &apiErr) && apiErr.StatusCode == http.StatusTooManyRequests {
 				if attempt < c.retryPolicy.maxRetries {
 					// Calculate exponential backoff delay
 					delay := c.retryPolicy.baseDelay * time.Duration(1<<attempt) // 2s, 4s, 8s, 16s, 32s