diff --git a/ldo.h b/ldo.h
index 911e67f..4cbdb84 100644
--- a/ldo.h
+++ b/ldo.h
@@ -58,7 +58,8 @@
 LUAI_FUNC void luaD_hook (lua_State *L, int event, int line,
                                         int fTransfer, int nTransfer);
 LUAI_FUNC void luaD_hookcall (lua_State *L, CallInfo *ci);
-LUAI_FUNC int luaD_pretailcall (lua_State *L, CallInfo *ci, StkId func,                                                    int narg1, int delta);
+LUAI_FUNC int luaD_pretailcall (lua_State *L, CallInfo *ci, StkId func,
+                                              int narg1, int delta);
 LUAI_FUNC CallInfo *luaD_precall (lua_State *L, StkId func, int nResults);
 LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults);
 LUAI_FUNC void luaD_callnoyield (lua_State *L, StkId func, int nResults);
diff --git a/manual/manual.of b/manual/manual.of
index bd648c6..30f92d6 100644
--- a/manual/manual.of
+++ b/manual/manual.of
@@ -2521,7 +2521,7 @@
 Lua's garbage collection can free or move internal memory
 and then invalidate pointers to internal strings.
 To allow a safe use of these pointers,
-The API guarantees that any pointer to a string in a stack index
+the API guarantees that any pointer to a string in a stack index
 is valid while the string value at that index is not removed from the stack.
 (It can be moved to another index, though.)
 When the index is a pseudo-index (referring to an upvalue),
@@ -5349,7 +5349,7 @@
 @APIEntry{void luaL_buffsub (luaL_Buffer *B, int n);|
 @apii{?,?,-}
 
-Removes @id{n} bytes from the the buffer @id{B}
+Removes @id{n} bytes from the buffer @id{B}
 @seeC{luaL_Buffer}.
 The buffer must have at least that many bytes.