fix minor issues format specs

Author: jvdp1

doc/specs/stdlib_stats.md

@@ -181,8 +181,8 @@ median(array) = mean( array_sorted( floor( (n + 1) / 2.):floor( (n + 1) / 2.) +
 ```
 
 The current implementation relies on a selection algorithm applied on a copy of
-the whole array, using the subroutine `` [[stdlib_selection(module):select(interface)]] ``
-provided by the `` [[stdlib_selection(module)]] `` module.
+the whole array, using the subroutine [[stdlib_selection(module):select(interface)]]
+provided by the [[stdlib_selection(module)]] module.
 
 ### Syntax
 

doc/specs/stdlib_stats_distribution_exponential.md

@@ -29,7 +29,7 @@ The algorithm used for generating exponential random variates is fundamentally l
 
 ### Syntax
 
-`result = ` [[stdlib_stats_distribution_exponential(module):rvs_exp(interface)]] `([lambda] ` [[, array_size]] `)`
+`result = ` [[stdlib_stats_distribution_exponential(module):rvs_exp(interface)]] `([lambda] [[, array_size]])`
 
 ### Class
 

doc/specs/stdlib_stats_distribution_normal.md

@@ -28,7 +28,7 @@ The algorithm used for generating exponential random variates is fundamentally l
 
 ### Syntax
 
-`result = ` [[stdlib_stats_distribution_normal(module):rvs_normal(interface)]] `([loc, scale] ` [[, array_size]] `)`
+`result = ` [[stdlib_stats_distribution_normal(module):rvs_normal(interface)]] `([loc, scale] [[, array_size]])`
 
 ### Class
 

doc/specs/stdlib_stats_distribution_uniform.md

@@ -62,7 +62,7 @@ Note: the algorithm used for generating uniform random variates is fundamentally
 
 ### Syntax
 
-`result = ` [[stdlib_stats_distribution_uniform(module):rvs_uniform(interface)]] `(` [[loc,] scale] ` [[[,array_size]] `])`
+`result = ` [[stdlib_stats_distribution_uniform(module):rvs_uniform(interface)]] `([[loc,] scale] [[[,array_size]]])`
 
 ### Class