diff --git a/src/defrag.c b/src/defrag.c
index d67b6e253..90837b28d 100644
--- a/src/defrag.c
+++ b/src/defrag.c
@@ -245,7 +245,7 @@ double *zslDefrag(zskiplist *zsl, double score, sds oldele, sds newele) {
     return NULL;
 }
 
-/* Defrag helpler for sorted set.
+/* Defrag helper for sorted set.
  * Defrag a single dict entry key name, and corresponding skiplist struct */
 long activeDefragZsetEntry(zset *zs, dictEntry *de) {
     sds newsds;
diff --git a/src/latency.c b/src/latency.c
index 33aa1245b..4ec7cae69 100644
--- a/src/latency.c
+++ b/src/latency.c
@@ -154,7 +154,7 @@ int latencyResetEvent(char *event_to_reset) {
 
 /* Analyze the samples available for a given event and return a structure
  * populate with different metrics, average, MAD, min, max, and so forth.
- * Check latency.h definition of struct latenctStat for more info.
+ * Check latency.h definition of struct latencyStats for more info.
  * If the specified event has no elements the structure is populate with
  * zero values. */
 void analyzeLatencyForEvent(char *event, struct latencyStats *ls) {
diff --git a/src/rax.h b/src/rax.h
index f2521d14a..62e8df71a 100644
--- a/src/rax.h
+++ b/src/rax.h
@@ -58,7 +58,7 @@
  * successive nodes having a single child are "compressed" into the node
  * itself as a string of characters, each representing a next-level child,
  * and only the link to the node representing the last character node is
- * provided inside the representation. So the above representation is turend
+ * provided inside the representation. So the above representation is turned
  * into:
  *
  *                  ["foo"] ""