diff --git a/docs/examples/debug.c b/docs/examples/debug.c
index cbf1c1106..e8a87ea4c 100644
--- a/docs/examples/debug.c
+++ b/docs/examples/debug.c
@@ -91,6 +91,7 @@ int my_trace(CURL *handle, curl_infotype type,
   switch(type) {
   case CURLINFO_TEXT:
     fprintf(stderr, "== Info: %s", data);
+    /* FALLTHROUGH */
   default: /* in case a new one is introduced to shock us */
     return 0;
 
diff --git a/docs/examples/http2-download.c b/docs/examples/http2-download.c
index 8c0b0876e..8e28eaa73 100644
--- a/docs/examples/http2-download.c
+++ b/docs/examples/http2-download.c
@@ -117,6 +117,7 @@ int my_trace(CURL *handle, curl_infotype type,
   switch(type) {
   case CURLINFO_TEXT:
     fprintf(stderr, "== %d Info: %s", num, data);
+    /* FALLTHROUGH */
   default: /* in case a new one is introduced to shock us */
     return 0;
 
diff --git a/docs/examples/http2-serverpush.c b/docs/examples/http2-serverpush.c
index 5aae6afdc..b497e76a9 100644
--- a/docs/examples/http2-serverpush.c
+++ b/docs/examples/http2-serverpush.c
@@ -96,6 +96,7 @@ int my_trace(CURL *handle, curl_infotype type,
   switch(type) {
   case CURLINFO_TEXT:
     fprintf(stderr, "== Info: %s", data);
+    /* FALLTHROUGH */
   default: /* in case a new one is introduced to shock us */
     return 0;
 
diff --git a/docs/examples/http2-upload.c b/docs/examples/http2-upload.c
index 01dfc0b3d..43809ab69 100644
--- a/docs/examples/http2-upload.c
+++ b/docs/examples/http2-upload.c
@@ -136,6 +136,7 @@ int my_trace(CURL *handle, curl_infotype type,
   switch(type) {
   case CURLINFO_TEXT:
     fprintf(stderr, "%s [%d] Info: %s", timebuf, num, data);
+    /* FALLTHROUGH */
   default: /* in case a new one is introduced to shock us */
     return 0;
 
diff --git a/docs/examples/multi-debugcallback.c b/docs/examples/multi-debugcallback.c
index be241fc72..07f044b4e 100644
--- a/docs/examples/multi-debugcallback.c
+++ b/docs/examples/multi-debugcallback.c
@@ -99,6 +99,7 @@ int my_trace(CURL *handle, curl_infotype type,
   switch(type) {
   case CURLINFO_TEXT:
     fprintf(stderr, "== Info: %s", data);
+    /* FALLTHROUGH */
   default: /* in case a new one is introduced to shock us */
     return 0;