diff --git a/src/sst/core/configGraphOutput.h b/src/sst/core/configGraphOutput.h
index 4bf322c54..754e971ca 100644
--- a/src/sst/core/configGraphOutput.h
+++ b/src/sst/core/configGraphOutput.h
@@ -23,6 +23,10 @@ class ConfigGraph;
 
 namespace Core {
 
+/**
+ * Exception handler class for graph configuration.
+ * Provides the interface to handle errors through the throw exception.
+ */
 class ConfigGraphOutputException : public std::exception
 {
 public:
@@ -32,12 +36,21 @@ class ConfigGraphOutputException : public std::exception
         std::strcpy(exMsg, msg);
     }
 
+    /**
+     * @return Exception Message
+     */
     virtual const char* what() const noexcept override { return exMsg; }
 
+    /**
+     * Exception message generated on call.
+     */
 protected:
     char* exMsg;
 };
 
+/**
+ * Outputs configuration data to a specified file path.
+ */
 class ConfigGraphOutput
 {
 public:
@@ -45,6 +58,11 @@ class ConfigGraphOutput
 
     virtual ~ConfigGraphOutput() { fclose(outputFile); }
 
+    /**
+     * @param cfg Constant pointer to SST configuration
+     * @param graph Constant pointer to SST configuration graph
+     * @return void
+     */
     virtual void generate(const Config* cfg, ConfigGraph* graph) = 0;
 
 protected:
diff --git a/src/sst/core/cputimer.h b/src/sst/core/cputimer.h
index a2d850699..bd6f9a260 100644
--- a/src/sst/core/cputimer.h
+++ b/src/sst/core/cputimer.h
@@ -14,6 +14,9 @@
 
 #include <sys/time.h>
 
+/**
+ * @return Current CPU time using the time of day. Timezone information is not filled.
+ */
 double sst_get_cpu_time();
 
 #endif // SST_CORE_CPU_TIMER_H
diff --git a/src/sst/core/event.h b/src/sst/core/event.h
index cb096a0fe..adb639b08 100644
--- a/src/sst/core/event.h
+++ b/src/sst/core/event.h
@@ -155,6 +155,7 @@ class Event : public Activity
        For links that are going to a sync, the delivery_info is used
        on the remote side to send the event on the proper link.  For
        local links, delivery_info contains the delivery functor.
+       @return void
      */
     inline void setDeliveryInfo(LinkId_t tag, uintptr_t delivery_info)
     {
diff --git a/src/sst/core/exit.h b/src/sst/core/exit.h
index cc8966bfa..11942e0fc 100644
--- a/src/sst/core/exit.h
+++ b/src/sst/core/exit.h
@@ -36,8 +36,8 @@ class Exit : public Action
 public:
     /**
      * Create a new ExitEvent
-     * @param sim - Simulation Object
-     * @param single_rank - True if there are no parallel ranks
+     * @param sim Simulation object
+     * @param single_rank True if there are no parallel ranks
      *
      *  Exit needs to register a handler during constructor time, which
      * requires a simulation object.  But the simulation class creates
@@ -56,13 +56,30 @@ class Exit : public Action
     bool refDec(ComponentId_t, uint32_t thread);
 
     unsigned int getRefCount();
-    SimTime_t    getEndTime() { return end_time; }
-    void         setEndTime(SimTime_t time) { end_time = time; }
 
+    /** Gets the end time of the simulation
+     * @return Time when simulation ends
+     */
+    SimTime_t getEndTime() { return end_time; }
+
+    /** Stores the time the simulation has ended
+     * @param time Current simulation time
+     * @return void
+     */
+    void setEndTime(SimTime_t time) { end_time = time; }
+
+    /** Computes the end time of the simulation
+     * @return End time of the simulation
+     */
     SimTime_t computeEndTime();
     void      execute(void) override;
     void      check();
 
+    /**
+     * @param header String to preface the exit action log
+     * @param out SST Output logger object
+     * @return void
+     */
     void print(const std::string& header, Output& out) const override
     {
         out.output(
@@ -70,6 +87,7 @@ class Exit : public Action
             getPriority());
     }
 
+
     unsigned int getGlobalCount() { return global_count; }
 
 private:
diff --git a/src/sst/core/linkPair.h b/src/sst/core/linkPair.h
index 2c80e0c73..ca761bb5b 100644
--- a/src/sst/core/linkPair.h
+++ b/src/sst/core/linkPair.h
@@ -23,7 +23,9 @@ namespace SST {
 class LinkPair
 {
 public:
-    /** Create a new LinkPair.  This is used when the endpoints are in the same partition. */
+    /** Create a new LinkPair.  This is used when the endpoints are in the same partition.
+     * @param order Value used to enforce the link order.
+     */
     LinkPair(LinkId_t order) : left(new Link(order)), right(new Link(order))
     {
         my_id = order;
@@ -32,7 +34,10 @@ class LinkPair
         right->pair_link = left;
     }
 
-    /** Create a new LinkPair.  This is used when the endpoints are in different partitions. */
+    /** Create a new LinkPair.  This is used when the endpoints are in different partitions.
+     * @param order Value used to enforce the link order.
+     * @param remote_tag Used to look up the correct link on the other side.
+     */
     LinkPair(LinkId_t order, LinkId_t remote_tag) : left(new Link(remote_tag)), right(new Link(order))
     {
         my_id = order;
@@ -43,10 +48,14 @@ class LinkPair
 
     virtual ~LinkPair() {}
 
-    /** Return the Left Link */
+    /** Return the Left Link
+     * @return Left link
+     */
     inline Link* getLeft() { return left; }
 
-    /** Return the Right Link */
+    /** Return the Right Link
+     * @return Right link
+     */
     inline Link* getRight() { return right; }
 
 private: