diff --git a/apis/swagger.yml b/apis/swagger.yml
index 2841a5686..7d03daacf 100644
--- a/apis/swagger.yml
+++ b/apis/swagger.yml
@@ -463,7 +463,7 @@ definitions:
         description: |
           IP address which peer client carries.
           (TODO) make IP field contain more information, for example
-          WAN/LAN IP address for supernode to recoganize.
+          WAN/LAN IP address for supernode to recognize.
         format: "ipv4"
       hostName:
         type: "string"
diff --git a/apis/types/peer_info.go b/apis/types/peer_info.go
index c4407950e..cfe7232b9 100644
--- a/apis/types/peer_info.go
+++ b/apis/types/peer_info.go
@@ -22,7 +22,7 @@ type PeerInfo struct {
 
 	// IP address which peer client carries.
 	// (TODO) make IP field contain more information, for example
-	// WAN/LAN IP address for supernode to recoganize.
+	// WAN/LAN IP address for supernode to recognize.
 	//
 	// Format: ipv4
 	IP strfmt.IPv4 `json:"IP,omitempty"`
diff --git a/docs/api_reference/apis.md b/docs/api_reference/apis.md
index 6eb735e4c..6eb5c347f 100644
--- a/docs/api_reference/apis.md
+++ b/docs/api_reference/apis.md
@@ -550,7 +550,7 @@ The detailed information of a peer in supernode.
 |Name|Description|Schema|
 |---|---|---|
 |**ID**  <br>*optional*|ID of peer|string|
-|**IP**  <br>*optional*|IP address which peer client carries.<br>(TODO) make IP field contain more information, for example<br>WAN/LAN IP address for supernode to recoganize.|string (ipv4)|
+|**IP**  <br>*optional*|IP address which peer client carries.<br>(TODO) make IP field contain more information, for example<br>WAN/LAN IP address for supernode to recognize.|string (ipv4)|
 |**hostName**  <br>*optional*|host name of peer client node, as a valid RFC 1123 hostname.  <br>**Minimum length** : `1`|string (hostname)|
 |**port**  <br>*optional*|when registering, dfget will setup one uploader process. <br>This one acts as a server for peer pulling tasks.<br>This port is which this server listens on.  <br>**Minimum value** : `15000`  <br>**Maximum value** : `65000`|integer (int32)|
 |**version**  <br>*optional*|version number of dfget binary|string|