diff --git a/languages/C.md b/languages/C.md
index 5290f99..1968c80 100644
--- a/languages/C.md
+++ b/languages/C.md
@@ -158,9 +158,9 @@ In Linux systems:
 | `!=`     | Not equal, result is true or false, `a != b`      |
 | `&`      | Bitwise and, `a & b`                              |
 | `^`      | Bitwise exclusive or, `a ^ b`                     |
-| |      | Bitwise or, `a | b`                               |
+| |      | Bitwise or, `a` | `b`                               |
 | `&&`     | Relational and, result is true or false, `a < b && c >= d` |
-| &#124; &#124;     | Relational or, result is true or false, `a < b || c >= d` |
+| &#124; &#124;     | Relational or, result is true or false, `a < b` &#124; &#124; `c >= d` |
 | `?`      | Ternary conditional, `exp1 ? exp2 : exp3`, result is `exp2` if `exp1` is not 0, else result is `exp3` |
 | `=`      | Store                                              |
 | `+=`     | Add and store                                     |
@@ -191,11 +191,11 @@ In Linux systems:
 | LR            | `==`, `!=`                                       |
 | LR            | `&`                                             |
 | LR            | `^`                                             |
-| LR            | `|`                                             |
+| LR            | &#124;                                          |
 | LR            | `&&`                                            |
-| LR            | `||`                                            |
+| LR            | &#124; &#124;                                   |
 | RL            | `? :`                                           |
-| RL            | `=`, `+=`, `-=` ,`*=`, `/=`, `%=`, `>>=`, `<<=`, `&=`, `^=`, `|=` |
+| RL            | `=`, `+=`, `-=` ,`*=`, `/=`, `%=`, `>>=`, `<<=`, `&=`, `^=`, &#124;= |
 | LR            | `,`                                             |
 
 
@@ -229,6 +229,4 @@ In Linux systems:
              statement_sequence  /* the expression. This is optional */
      }
 
----
-
 ---
\ No newline at end of file
diff --git a/languages/C.txt b/languages/C.txt
deleted file mode 100644
index 8462faf..0000000
--- a/languages/C.txt
+++ /dev/null
@@ -1,65 +0,0 @@
-
-Operator precedence
-                
-More precedence
-
-LR	( ) [ ] -> . x++ x--
-RL	! ~ - + ++x --x * & sizeof (type)
-LR	* / %
-LR	+ -
-LR	<< >>
-LR	< <= > >=
-LR	== !=
-LR	&
-LR	^
-LR	|
-LR	&&
-LR	||
-RL	? :
-RL	= += -= *= /= %= >>= <<= &= ^= |=
-LR	,
-
-Less precedence
-
-
-Function definition
-
-type function_name(int a, float b, const char * ch,...) { function_body }
-
-/* only parameters passed by address can are modified*/ 
-
-/* in the calling function, local copy can be modified*/
-
-char * strcpy( char * s1, const char * s2 ) { statements }
-
-Declarations forms
-
-basic_type variable;
-
-type variable[val][val]...[val]={data,data,...};  /*multidimensional array*/
-
-struct struct_name {     /* struct_name is optional */
-     type variable_1;    /* any declaration */
-     …                   /* all variable names must be unique*/
-} variable_1, ... ;      /* variables are optional */
-
-struct struct_name {          /* struct_name is optional */
-     type variable_1: length; /* any declaration : length in bits */
-         ...					        /* type is int, unsigned or signed */
-} variable_1, ... ;           /* variables are optional, they can also be arrays and pointers */
-
-
-union union_name {            /* union_name is optional */
-    type variable_1;          /* variable_1 overlays variable_2 */
-    type variable_2;
-        ...
-} variable_a, ...;            /* variables are optional */
-
-enum enum_type                /* enum_name is optional */
-  { enumeration_name_1,       /* establishes enumeration literals */
-    enumeration_name_2=number,/* optional number, */
-      ...                     /* default is 0, 1, 2, ... */
-  } variable, ...;            /* variables are optional */
-
- /* use dot notation to select a component of a struct or union */
-