Add space before open parenthesis of abbreviation (#2642)

Author: Rageking8

appendices/VK_NV_coverage_reduction_mode.adoc

@@ -28,7 +28,7 @@ performed.
     sample is covered.
     This is the default mode.
 
-  * Truncate: When there are more raster samples (N) than color samples(M),
+  * Truncate: When there are more raster samples (N) than color samples (M),
     there is one to one association of the first M raster samples to the M
     color samples; other raster samples are ignored.
 

chapters/pipelines.adoc

@@ -48,7 +48,7 @@ When using the Cluster Culling Shader, a compute-like shader will perform
 cluster-based culling, a set of new built-in output variables are used to
 express visible cluster, in addition, a new built-in function is used to
 emit these variables from the cluster culling shader to the Input
-Assembler(IA) stage, then IA can use these variables to fetch vertices of
+Assembler (IA) stage, then IA can use these variables to fetch vertices of
 visible cluster and drive vertex shader to work.
 
 endif::VK_HUAWEI_cluster_culling_shader[]

chapters/shaders.adoc

@@ -2399,7 +2399,7 @@ Cluster Culling shaders operate in workgroups to perform cluster-based
 culling and produce zero or more cluster drawing command that will be
 processed by subsequent stages of the graphics pipeline.
 
-The Cluster Drawing Command(CDC) is very similar to the MDI command,
+The Cluster Drawing Command (CDC) is very similar to the MDI command,
 invocations in workgroup can emit zero of more CDC to draw zero or more
 visible cluster.
 

proposals/VK_QCOM_image_processing.adoc

@@ -219,15 +219,15 @@ The following summarizes how the built-ins are exposed in GLSL:
     |       sampler2D reference,         | and refCoord specify the bottom-left corner|
     |       uvec2     refCoord,          | of the block in target and reference       |
     |       uvec2     blockSize)         | images. The error metric is the Sum of     |
-    |                                    | Absolute Differences(SAD).                 |
+    |                                    | Absolute Differences (SAD).                |
     +------------------------------------+--------------------------------------------+
     |   vec4 textureBlockMatchSSDQCOM(   | Block matching operation measures the      |
     |       sampler2D target             | correlation (or similarity) of the target  |
     |       uvec2     targetCoord,       | block and reference block.  TargetCoord    |
     |       sampler2D reference,         | and refCoord specify the bottom-left corner|
     |       uvec2     refCoord,          | of the block in target and reference       |
     |       uvec2     blockSize)         | images. The error metric is the Sum of     |
-    |                                    | Square Differences(SSD).                   |
+    |                                    | Square Differences (SSD).                  |
     +------------------------------------+--------------------------------------------+
 ----