diff --git a/src/core/nginx.c b/src/core/nginx.c
index 5df96a438..a5fbccd40 100644
--- a/src/core/nginx.c
+++ b/src/core/nginx.c
@@ -919,7 +919,7 @@ ngx_core_module_create_conf(ngx_cycle_t *cycle)
     }
 
     /*
-     * set by pcalloc()
+     * set by ngx_pcalloc()
      *
      *     ccf->pid = NULL;
      *     ccf->oldpid = NULL;
diff --git a/src/misc/ngx_google_perftools_module.c b/src/misc/ngx_google_perftools_module.c
index a36220e80..8be5b97ec 100644
--- a/src/misc/ngx_google_perftools_module.c
+++ b/src/misc/ngx_google_perftools_module.c
@@ -73,7 +73,7 @@ ngx_google_perftools_create_conf(ngx_cycle_t *cycle)
     }
 
     /*
-     * set by pcalloc()
+     * set by ngx_pcalloc()
      *
      *     gptcf->profiles = { 0, NULL };
      */