misc: fix spelling

doc/guides/compile.md

@@ -176,7 +176,7 @@ If you need an include path of header file use `search_header_path`:
 fail 'iconv.h not found' unless conf.cc.search_header_path 'iconv.h'
 ```
 
-If you need a full file name of header file use `search_header`:
+If you need a full filename of header file use `search_header`:
 
 ```ruby
 # Searches `iconv.h`.

doc/guides/debugger.md

@@ -52,7 +52,7 @@ To invoke the mruby debugger, just type `mrdb`.
 To specify the script file:
 
 ```bash
-$ mrdb [option] file name
+$ mrdb [option] filename
 ```
 
 For example: Debugging sample.rb
@@ -121,7 +121,7 @@ Be aware that the breakpoint command will not check the validity of the class na
 
 You can get the current breakpoint information by the following options.
 
-breakpoint breakpoint number : file name. line number
+breakpoint breakpoint number : filename. line number
 
 breakpoint breakpoint number : [class name,] method name
 
@@ -267,7 +267,7 @@ Example:
 ```
 (sample.rb:1) info breakpoints
 Num     Type           Enb What
-1       breakpoint     y   at sample.rb:3                      -> file name,line number
+1       breakpoint     y   at sample.rb:3                      -> filename,line number
 2       breakpoint     n   in Sample_class:sample_class_method -> [class:]method name
 3       breakpoint     y   in sample_global_method
 ```
@@ -301,11 +301,11 @@ When you do not specify both the `first` and `last` options, you will receive th
 Example:
 
 ```
-Specifying file name and first row number
+Specifying filename and first row number
 sample.rb:1) list sample2.rb:5
 ```
 
-Specifying the file name and the first and last row number:
+Specifying the filename and the first and last row number:
 
 ```
 (sample.rb:1) list sample2.rb:6,7

doc/guides/mrbgems.md

@@ -368,7 +368,7 @@ mruby can be extended with pure Ruby. It is possible to override existing
 classes or add new ones in this way. Put all Ruby files into the `mrblib`
 directory.
 
-### Pre-Conditions
+### Preconditions
 
 none
 
@@ -400,7 +400,7 @@ mruby codes under `mrblib` directory would be executed after gem init C
 function is called. Make sure _mruby script_ depends on _C code_ and
 _C code_ doesn't depend on _mruby script_.
 
-### Pre-Conditions
+### Preconditions
 
 See C and Ruby example.
 

doc/mruby3.1.md

@@ -197,7 +197,7 @@ For better and faster hash values.
 
 ---
 
-# Major bug fixes
+# Major bugfixes
 
 - Fix infinite recursive call bugs in integer division [98799aa6](https://github.com/mruby/mruby/commit/98799aa6)
 - Fix to raise TypeError with super inside instance_eval / class_eval [#5476](https://github.com/mruby/mruby/pull/5476)

doc/mruby3.4.md

@@ -32,7 +32,7 @@
 # Build & Configuration
 
 - New Build Target: `test:run:serial`, `test:run:serial:lib`, `test:run:serial:bin` ([#6423](https://github.com/mruby/mruby/pull/6423))
-- New Platform: Playstation Portable ([#6022](https://github.com/mruby/mruby/pull/6465))
+- New Platform: PlayStation Portable ([#6022](https://github.com/mruby/mruby/pull/6465))
 - New Platform: emscripten ([#6487](https://github.com/mruby/mruby/pull/6487))
 - New Config: no-float (with MRB_NO_FLOAT) ([32200f1](https://github.com/mruby/mruby/commit/32200f1))
 
@@ -237,7 +237,7 @@
 - [#6461](https://github.com/mruby/mruby/pull/6461) To create a release package file in draft
 - [#6462](https://github.com/mruby/mruby/pull/6462) Properly cast the return value of `memchr()`
 - [#6463](https://github.com/mruby/mruby/pull/6463) Add `level` argument to `File.dirname`
-- [#6465](https://github.com/mruby/mruby/pull/6465) Add initial playstation portable crossbuild support
+- [#6465](https://github.com/mruby/mruby/pull/6465) Add initial PlayStation portable crossbuild support
 - [#6468](https://github.com/mruby/mruby/pull/6468) Fixed missing changes to `IB_FIND_BY_KEY()` parameter names
 - [#6469](https://github.com/mruby/mruby/pull/6469) Add more `const` qualifier for `RProc`
 - [#6472](https://github.com/mruby/mruby/pull/6472) Moved tests for `Integer#quo`