diff --git a/libavfilter/af_pan.c b/libavfilter/af_pan.c
index c4e64c8e9f9906fbb3e0ac6ff1118b58a3ec3d05..ca14eca533f9c156edc5cc2f474b4e5fe79bc7dc 100644
--- a/libavfilter/af_pan.c
+++ b/libavfilter/af_pan.c
@@ -285,7 +285,7 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
 
 AVFilter avfilter_af_pan = {
     .name          = "pan",
-    .description   = NULL_IF_CONFIG_SMALL("Remix channels with coefficients (panning)"),
+    .description   = NULL_IF_CONFIG_SMALL("Remix channels with coefficients (panning)."),
     .priv_size     = sizeof(PanContext),
     .init          = init,
     .query_formats = query_formats,
diff --git a/libavfilter/vf_fade.c b/libavfilter/vf_fade.c
index ed499081af4de236f051e1fe2dd96d4d5e42d513..7fe0dae3f4dc5015f026807bdf05d92afa7d035c 100644
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@@ -278,7 +278,7 @@ static void end_frame(AVFilterLink *inlink)
 
 AVFilter avfilter_vf_fade = {
     .name          = "fade",
-    .description   = NULL_IF_CONFIG_SMALL("Fade in/out input video"),
+    .description   = NULL_IF_CONFIG_SMALL("Fade in/out input video."),
     .init          = init,
     .uninit        = uninit,
     .priv_size     = sizeof(FadeContext),
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index b18202d0e78825748d9a5f89d7a40b53aa608c64..3a9637380b36e89c5e6d91b6f0a890892e02c8a3 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -396,7 +396,7 @@ static void null_draw_slice(AVFilterLink *link, int y, int h, int slice_dir) { }
 
 AVFilter avfilter_vf_yadif = {
     .name          = "yadif",
-    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image"),
+    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
 
     .priv_size     = sizeof(YADIFContext),
     .init          = init,
diff --git a/libavfilter/vsrc_color.c b/libavfilter/vsrc_color.c
index 11d731925cb0cbf6815e7f03d3cd25fa6004d6e8..07ff78fa80d6eeff450c872896f21ce66b56f747 100644
--- a/libavfilter/vsrc_color.c
+++ b/libavfilter/vsrc_color.c
@@ -156,7 +156,7 @@ static int color_request_frame(AVFilterLink *link)
 
 AVFilter avfilter_vsrc_color = {
     .name        = "color",
-    .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]"),
+    .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]."),
 
     .priv_size = sizeof(ColorContext),
     .init      = color_init,
diff --git a/libavfilter/vsrc_mandelbrot.c b/libavfilter/vsrc_mandelbrot.c
index cc9cb6e9bfb114f5c764f25eccf4b5b675adcd47..f0ac7e1bccde7614b6f576fc8d03e265a17d9d37 100644
--- a/libavfilter/vsrc_mandelbrot.c
+++ b/libavfilter/vsrc_mandelbrot.c
@@ -411,7 +411,7 @@ static int request_frame(AVFilterLink *link)
 
 AVFilter avfilter_vsrc_mandelbrot = {
     .name        = "mandelbrot",
-    .description = NULL_IF_CONFIG_SMALL("Mandelbrot fractal renderer"),
+    .description = NULL_IF_CONFIG_SMALL("Mandelbrot fractal renderer."),
 
     .priv_size = sizeof(MBContext),
     .init      = init,