diff --git a/lib/connect.c b/lib/connect.c
index 8799ba2df..50f6684b6 100644
--- a/lib/connect.c
+++ b/lib/connect.c
@@ -359,13 +359,13 @@ static CURLcode bindlocal(struct connectdata *conn,
 
       } /* end of if  h */
       else {
-        failf(data,"could't find my own IP address (%s)", myhost);
+        failf(data,"couldn't find my own IP address (%s)", myhost);
         return CURLE_HTTP_PORT_FAILED;
       }
     } /* end of inet_addr */
 
     else {
-      failf(data, "could't find my own IP address (%s)", myhost);
+      failf(data, "couldn't find my own IP address (%s)", myhost);
       return CURLE_HTTP_PORT_FAILED;
     }
 
diff --git a/lib/ftp.c b/lib/ftp.c
index d37f9dc40..6ed0fa79b 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -1110,7 +1110,7 @@ static CURLcode ftp_state_use_port(struct connectdata *conn,
     }
   }
   else {
-    failf(data, "could't find IP address to use");
+    failf(data, "couldn't find IP address to use");
     return CURLE_FTP_PORT_FAILED;
   }
 
@@ -3170,7 +3170,7 @@ CURLcode ftp_perform(struct connectdata *conn,
   *connected = conn->bits.tcpconnect;
 
   if(*dophase_done)
-    DEBUGF(infof(conn->data, "DO phase is comlete\n"));
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
 
   return result;
 }
@@ -3827,7 +3827,7 @@ CURLcode Curl_ftp_doing(struct connectdata *conn,
   if(*dophase_done) {
     result = ftp_dophase_done(conn, FALSE /* not connected */);
 
-    DEBUGF(infof(conn->data, "DO phase is comlete\n"));
+    DEBUGF(infof(conn->data, "DO phase is complete\n"));
   }
   return result;
 }
diff --git a/lib/strerror.c b/lib/strerror.c
index 68e00cf2d..2d0b34270 100644
--- a/lib/strerror.c
+++ b/lib/strerror.c
@@ -69,10 +69,10 @@ curl_easy_strerror(CURLcode error)
     return "URL using bad/illegal format or missing URL";
 
   case CURLE_COULDNT_RESOLVE_PROXY:
-    return "couldnt resolve proxy name";
+    return "couldn't resolve proxy name";
 
   case CURLE_COULDNT_RESOLVE_HOST:
-    return "couldnt resolve host name";
+    return "couldn't resolve host name";
 
   case CURLE_COULDNT_CONNECT:
     return "couldn't connect to server";
@@ -492,7 +492,7 @@ get_winsock_error (int err, char *buf, size_t len)
     p = "Winsock library is not ready";
     break;
   case WSANOTINITIALISED:
-    p = "Winsock library not initalised";
+    p = "Winsock library not initialised";
     break;
   case WSAVERNOTSUPPORTED:
     p = "Winsock version not supported.";