fix comments in latency.c

Author: fengpf

.gitignore

@@ -32,3 +32,4 @@ deps/lua/src/liblua.a
 *.dSYM
 Makefile.dep
 .vscode/*
+.idea/*

src/latency.c

@@ -85,7 +85,7 @@ int THPGetAnonHugePagesSize(void) {
 /* ---------------------------- Latency API --------------------------------- */
 
 /* Latency monitor initialization. We just need to create the dictionary
- * of time series, each time serie is craeted on demand in order to avoid
+ * of time series, each time serie is created on demand in order to avoid
  * having a fixed list to maintain. */
 void latencyMonitorInit(void) {
     server.latency_events = dictCreate(&latencyTimeSeriesDictType,NULL);