docs: Documentation updates

Change-Id: I7e10ba6bd1f70e779d5c2fc0437ff0f15828b312
Refs: #1923
diff --git a/src/main.cpp b/src/main.cpp
index 3d287a0..752843a 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -27,12 +27,12 @@
 #include "logger.hpp"
 #include "version.hpp"
 
-using namespace nlsr;
+namespace nlsr {
 
-int32_t
+int
 main(int32_t argc, char** argv)
 {
-  nlsr::Nlsr nlsr;
+  Nlsr nlsr;
   std::string programName(argv[0]);
   nlsr.setConfFileName("nlsr.conf");
   int32_t opt;
@@ -56,7 +56,7 @@
       }
   }
   ConfFileProcessor cfp(nlsr, nlsr.getConfFileName());
-  if(!cfp.processConfFile()) {
+  if (!cfp.processConfFile()) {
     std::cerr << "Error in configuration file processing! Exiting from NLSR" << std::endl;
     return EXIT_FAILURE;
   }
@@ -76,3 +76,11 @@
   }
   return EXIT_SUCCESS;
 }
+
+} // namespace nlsr
+
+int
+main(int32_t argc, char** argv)
+{
+  return nlsr::main(argc, argv);
+}
diff --git a/src/utility/name-helper.hpp b/src/utility/name-helper.hpp
index c2872e5..60a58b4 100644
--- a/src/utility/name-helper.hpp
+++ b/src/utility/name-helper.hpp
@@ -32,14 +32,14 @@
 
 namespace nlsr {
 namespace util {
+
 /**
  * @brief search a name component in ndn::Name and return the position of the component
- * @param name where to search the searchString
- * @param searchString, the string to search in name
- * @retrun int32_t -1 if searchString not found else return the position
+ * @param name         where to search the searchString
+ * @param searchString the string to search in name
+ * @return -1 if searchString not found else return the position
  * starting from 0
  */
-
 inline static int32_t
 getNameComponentPosition(const ndn::Name& name, const std::string& searchString)
 {