@@ -39,7 +39,7 @@ version 2.6:

 - Canopus HQX decoder

 - RTP depacketization of T.140 text (RFC 4103)

 - VP9 RTP payload format (draft 0) experimental depacketizer

-- Port MIPS opttimizations to 64-bit

+- Port MIPS optimizations to 64-bit

 version 2.5:

@@ -1109,7 +1109,7 @@ The syntax is:

 -grab_x @var{x_offset} -grab_y @var{y_offset}

 @end example

-Set the grabing region coordinates. The are expressed as offset from the top left

+Set the grabbing region coordinates. They are expressed as offset from the top left

 corner of the X11 window. The default value is 0.

 @section decklink

@@ -63,7 +63,7 @@ cache:@var{URL}

 Physical concatenation protocol.

-Allow to read and seek from many resource in sequence as if they were

+Read and seek from many resources in sequence as if they were

 a unique resource.

 A URL accepted by this protocol has the syntax:

@@ -117,7 +117,7 @@ ffmpeg -i "data:image/gif;base64,R0lGODdhCAAIAMIEAAAAAAAA//8AAP//AP/////////////

 File access protocol.

-Allow to read from or write to a file.

+Read from or write to a file.

 A file URL can have the form:

 @example

@@ -155,7 +155,7 @@ time, which is valuable for files on slow medium.

 FTP (File Transfer Protocol).

-Allow to read from or write to remote resources using FTP protocol.

+Read from or write to remote resources using FTP protocol.

 Following syntax is required.

 @example

@@ -374,7 +374,7 @@ be seekable, so they will fail with the MD5 output protocol.

 UNIX pipe access protocol.

-Allow to read and write from UNIX pipes.

+Read and write from UNIX pipes.

 The accepted syntax is:

 @example

@@ -614,7 +614,7 @@ For more information see: @url{http://www.samba.org/}.

 Secure File Transfer Protocol via libssh

-Allow to read from or write to remote resources using SFTP protocol.

+Read from or write to remote resources using SFTP protocol.

 Following syntax is required.

@@ -747,7 +747,7 @@ static int v4l2_set_parameters(AVFormatContext *ctx)

             }

         } else {

             av_log(ctx, AV_LOG_WARNING,

-                   "The driver does not allow to change time per frame\n");

+                   "The driver does not permit changing the time per frame\n");

         }

     }

     if (tpf->denominator > 0 && tpf->numerator > 0) {

@@ -145,7 +145,7 @@ static int add_entry(URLContext *h, const unsigned char *buf, int size)

     return 0;

 fail:

-    //we could truncate the file to pos here if pos >=0 but ftruncate isnt available in VS so

+    //we could truncate the file to pos here if pos >=0 but ftruncate isn't available in VS so

     //for simplicty we just leave the file a bit larger

     av_free(entry);

     av_free(node);

@@ -300,7 +300,7 @@ static int cache_close(URLContext *h)

 #define D AV_OPT_FLAG_DECODING_PARAM

 static const AVOption options[] = {

-    { "read_ahead_limit", "Amount in bytes that may be read ahead when seeking isnt supported, -1 for unlimited", OFFSET(read_ahead_limit), AV_OPT_TYPE_INT, { .i64 = 65536 }, -1, INT_MAX, D },

+    { "read_ahead_limit", "Amount in bytes that may be read ahead when seeking isn't supported, -1 for unlimited", OFFSET(read_ahead_limit), AV_OPT_TYPE_INT, { .i64 = 65536 }, -1, INT_MAX, D },

     {NULL},

 };

@@ -708,7 +708,7 @@ static int rm_assemble_video_frame(AVFormatContext *s, AVIOContext *pb,

                                    int64_t *timestamp)

 {

     int hdr;

-    int seq = 0, pic_num = 0, len2 = 0, pos = 0; //init to silcense compiler warning

+    int seq = 0, pic_num = 0, len2 = 0, pos = 0; //init to silence compiler warning

     int type;

     int ret;