[doc] fixed some minor typos

core/net/ip/uip.h

@@ -534,7 +534,7 @@ CCIF extern uip_buf_t uip_aligned_buf;
  * \defgroup uipappfunc uIP application functions
  * @{
  *
- * Functions used by an application running of top of uIP.
+ * Functions used by an application running on top of uIP.
  */
 
 /**

doc/pt-doc.txt

@@ -28,7 +28,7 @@ after the blocking call. This makes it hard to use control structures
 such as if() conditionals and while() loops.
 
 The advantage of protothreads over ordinary threads is that a
-protothread do not require a separate stack. In memory constrained
+protothread does not require a separate stack. In memory constrained
 systems, the overhead of allocating multiple stacks can consume large
 amounts of the available memory. In contrast, each protothread only
 requires between two and twelve bytes of state, depending on the

doc/uip-doc.txt

@@ -5,7 +5,6 @@
 
 /**
 \defgroup uip The uIP TCP/IP stack
-@{
 
 The uIP TCP/IP stack provides Internet communication abilities to
 Contiki.
@@ -254,7 +253,7 @@ purposes.
 
 uIP provides two APIs to programmers: protosockets, a BSD socket-like
 API without the overhead of full multi-threading, and a "raw"
-event-based API that is nore low-level than protosockets but uses less
+event-based API that is more low-level than protosockets but uses less
 memory.
 
 \sa \ref psock
@@ -1183,7 +1182,7 @@ the delayed acknowledgment throughput degradation.
 \note The \ref uipsplit module implements a hack that overcomes the
 problems with the delayed acknowledgment throughput degradation.
 
-
+@{
 */
 
 

doc/uip6-doc.txt

@@ -5,7 +5,7 @@
 
 /**
  * \defgroup uip6 uIP IPv6 specific features
- * @{
+ *
 The uIP IPv6 stack provides new Internet communication abilities to Contiki. 
 This document describes Ipv6 specific features. For features that
 are common to the IPv4 and IPv6 code please refer to \ref uip "uIP".
@@ -377,7 +377,7 @@ We pass all the tests for phase 2 except:
 
 
 <HR>
-
+@{
 */
 /** @} */
 /** @} */